"Invention is the most important product of man's creative brain. The ultimate purpose is the complete mastery over the material world, the harnessing of human nature to human needs."
Nikola Tesla
At Simpson & Simpson, we help inventors and companies patent inventions. Our patent attorneys in Western New York and South Florida have secured hundreds of patents.
As a service to our valued clients, Simpson & Simpson is pleased to provide downloadable links to patents our attorneys have obtained over the years. As an additional service, some of our clients have requested that their entire patent portfolios be posted on our web site.
The data and files provided on this website are for informational purposes only, and should not be used for docketing purposes. Simpson & Simpson, PLLC makes no guarantee, warranty, or representation, expressed or implied, with regard to the accuracy, completeness, usefulness, timeliness, or suitability of the data and files provided on this website.
Please contact one of our patent attorneys with any specific questions.
| Patent No. | Category | Year | Title | Inventor | Assignee | Date of Issue |
|---|---|---|---|---|---|---|
| 4,206,428 | Electronics | 1980 | Series Notch Filter and Multicoupler Utilizing Same | Daniel P. Kaegebein | TX RX Systems Inc. | 06/03/1980 |
| 4,221,971 | Mechanical | 1980 | Protective Shield Device | William Burger | 09/09/1980 | |
| 4,169,773 | Chemical | 1979 | Removal of Chlorate from Electrolytic Cell Anolyte | Peter Lai, Stanley Szymanski, Norman L. Christensen | Hooker Chemicals & Plastics Corp. | 10/02/1979 |
| 4,170,540 | Chemical | 1979 | Method for Forming Microporous Membrane Materials | Christine A. Lazarz, Edward H. Cook, Jr., Lesleigh V. Scripa | Hooker Chemicals & Plastics Corp. | 10/09/1979 |
| 4,178,723 | Mechanical | 1979 | Guide Wheels for Belt Grinder | Elwin H. Fleckenstein, Walter N. Welsch | Dynabrade, Inc. | 12/18/1979 |
| 4,147,600 | Chemical | 1979 | Electrolytic Method of Producing Concentrated Hydroxide Solutions | John Rutherford, Charles F. Eggers | Hooker Chemicals & Plastics Corp. | 04/03/1979 |
| 4,165,863 | Mechanical | 1979 | Hoist System | Kenneth D. Schreyer | Columbus McKinnon Corporation | 08/28/1979 |
| 4,156,713 | Chemical | 1979 | Production of Chlorine Dioxide | Willard A. Fuller | Hooker Chemicals & Plastics Corp. | 05/29/1979 |
| 4,178,655 | Mechanical | 1979 | Counterbalance Mechanism | Carl H. Little | Weber-Knapp Company | 12/18/1979 |
| 4,145,903 | Mechanical | 1979 | Sheet Forming Method and Apparatus | Almon E. Leach, Frank J. Dietrich, James P. Morris | Textron Inc. | 03/27/1979 |
| 4,173,835 | Mechanical | 1979 | Snow Removal Tool | Dean W. Burrell | 11/13/1979 | |
| 4,169,277 | Mechanical | 1979 | Reel-To-Reel Adapter for Tape Cartridge Player | Herbert Tomoser | 09/25/1979 | |
| 4,167,270 | Mechanical | 1979 | Recreational Vehicle Skid Support | Paul LaPlaca | 09/11/1979 | |
| 4,159,929 | Chemical | 1979 | Chemical and Electro-Chemical Process for Production of Alkali Metal Chlorates | Morris P. Grotheer | Hooker Chemicals & Plastics Corp. | 07/03/1979 |
| 4,162,040 | Mechanical | 1979 | Extendible/Expandable Nozzle for Rocket Engines and the Like and Method of Making Same | Lee F. Carey | Textron Inc. | 07/24/1979 |
| 4,156,475 | Mechanical | 1979 | Air Cushion Vehicle Propulsion System | John B. Chaplin | Textron Inc. | 05/29/1979 |
| 4,153,150 | Mechanical | 1979 | Coin Operated Lock | Douglas A. Barth, Richard J. Chester | American Locker Security Systems, Inc. | 05/08/1979 |
| 4,133,444 | Mechanical | 1979 | Filing System | Thomas H. Snethen | United Business Equipment Corp. | 01/09/1979 |
| 4,135,563 | Mechanical | 1979 | Apparatus for Reducing Fiber Material to Chip Form | Walter H. Maucher | 01/23/1979 | |
| 4,157,108 | Mechanical | 1979 | Shade Roller Assembly | John D. Donofrio | Joanna Western Mills Company | 06/05/1979 |
| 4,150,488 | Mechanical | 1979 | Chain Wear Inspection Gauge | Edward R. Behnke | Columbus McKinnon Corporation | 04/24/1979 |
| 4,146,445 | Chemical | 1979 | Method Of Electrolytically Producing A Purified Alkali Metal Hydroxide Solution | Edward H. Cook, Jr., Dirk Pouli | Hooker Chemicals & Plastics Corp. | 03/26/1979 |
| 4,143,752 | Mechanical | 1979 | Multiple Distribution Conveyor System | Victor Del Rosso | Hi-Speed Checkweigher Co., Inc. | 03/13/1979 |
| 4,139,043 | Mechanical | 1979 | Window Shade Slat | John D. Donofrio | Joanna Western Mills Company | 02/13/1979 |
| 4,138,008 | Mechanical | 1979 | Heavy Duty Conveyor | Victor Del Rosso | Hi-Speed Checkweigher Co., Inc. | 02/06/1979 |
| 4,068,467 | Mechanical | 1978 | Forged Master Link for Sling Chain Devices | Kenneth D. Schreyer, Edward R. Behnke | Columbus McKinnon Corporation | 01/17/1978 |
| 4,070,823 | Mechanical | 1978 | Chain Hook | Kenneth D. Schreyer, Soma M. Rohosy | Columbus McKinnon Corporation | 01/31/1978 |
| 4,090,459 | Mechanical | 1978 | Side Lubricated Seal Device for a Surface Effect Ship | John B. Chaplin | Textron Inc. | 05/23/1978 |
| 4,081,317 | Chemical | 1978 | Process for the Reduction of Effluent Color from a Cellulosic Pulp Bleaching Sequence | Ralph J. Gall, Frederick H. Thompson | Hooker Chemicals & Plastics Corporation | 03/28/1978 |
| 4,085,865 | Mechanical | 1978 | Elastomeric Bladder for Positive Expulsion Tank | Leo M. Thompson, Robert K. Anderson, Lawrence H. Kocher, John W. Jackel | Textron Inc. | 04/25/1978 |
| 4,085,971 | Mechanical | 1978 | Energy Conserving Mining System and Method | Charles H. Jacoby | Occidental Minerals Corporation | 04/25/1978 |
| 4,079,123 | Chemical | 1978 | Process for the Production of Chlorine Dioxide | Willard A. Fuller, Earl A. Schilt | Hooker Chemicals & Plastics Corporation | 03/14/1978 |
| 4,107,023 | Chemical | 1978 | Filter Press Halate Cell | Bernardus J. Mentz | Hooker Chemicals & Plastics Corporation | 08/15/1978 |
| 4,092,056 | Mechanical | 1978 | Locking Device for File Drawers | Dennis J. Signore, Forest G. Stark | AVM Corporation | 05/30/1978 |
| 4,090,083 | Nuclear | 1978 | Nuclear Reactor Ex-Core Startup Neutron Detector | Jeffrey Roland Wyvill | Combustion Engineering, Inc. | 05/16/1978 |
| 4,089,113 | Mechanical | 1978 | Thread Snip | Lyle E. Moritz, John L. Fortuin | Robinson Knife Manufacturing Co., Inc. | 05/16/1978 |
| 4,091,502 | Mechanical | 1978 | Counterbalance Mechanism | Carl H. Little | Weber-Knapp Company | 05/30/1978 |
| 4,098,594 | Mechanical | 1978 | Inertial Particle Separator | Morton Shorr, George Rudinger | Textron Inc. | 07/04/1978 |
| 4,067,630 | Mechanical | 1978 | File Drawer Compressor | Forest G. Stark, Dennis J. Signore | AVM Corporation | 01/10/1978 |
| 4,131,191 | Mechanical | 1978 | Coin Operated Lock | Douglas A. Barth, Richard J. Chester | American Locker Security Systems, Inc. | 12/26/1978 |
| 4,092,136 | Mechanical | 1978 | Air Filtering System | Dominic J. Zimbardi | William D. Farnham, Teddar S. Brooks | 05/30/1978 |
| 4,051,189 | Chemical | 1977 | Cyclic Ethers of Phenolic Compounds and Polymers Thereof | Alvin F. Shepard, Bobby F. Dannels | Hooker Chemicals & Plastics Corporation | 09/27/1977 |
| 4,027,492 | Mechanical | 1977 | Transportable Boat Lift | Charles R. Carpenter | Metallic Ladder Manufacturing Corporation | 06/07/1977 |
| 4,052,095 | Chemical | 1977 | Synthetic Organic Polymeric Sling Protected by Vulcanized or Cured Elastomeric Laminate at Load Contacting Area Thereof | Charles E. Johnson | Buffalo Weaving and Belting Co. | 10/04/1977 |
| 4,014,850 | Chemical | 1977 | Friction Elements Containing Novel Friction Particles | Donald H. Thorpe | Hooker Chemicals & Plastics Corporation | 03/29/1977 |
| 4,006,081 | Chemical | 1977 | Method for Preventing Gelation of Thermosetting Resins in Waste Water | Nobutaka Nakamura, Yukio Saeki | Sumitomo Durez Company, Ltd. | 02/01/1977 |
| 4,031,276 | Chemical | 1977 | Preparation of Densified Wood Impregnated with Phenolic Resins | Nobutaka Nakamura, Yukio Saeki | Sumitomo Durez Company, Ltd. | 06/21/1977 |
| 4,049,068 | Mechanical | 1977 | Price Labeling System with Floating Zero Reference | George Kavanagh, John L. Caron | Hi-Speed Checkweigher Co., Inc. | 09/20/1977 |
| 4,014,828 | Chemical | 1977 | Thermosettable Friction Particles for Use in Friction Elements | Donald H. Thorpe | Hooker Chemicals & Plastics Corporation | 03/29/1977 |
| 4,007,236 | Chemical | 1977 | Brominated Phosphoramidates | James J. Duffy, Richard D. Carlson, James C. Watson | Hooker Chemicals & Plastics Corporation | 02/08/1977 |
"Invention is the most important product of man's creative brain. The ultimate purpose is the complete mastery over the material world, the harnessing of human nature to human needs."
Nikola Tesla