Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5245872 | Device for precise measurement of force | William L. Cooper, Frank E. Russo, Robert S. Smith | 1993-09-21 |
| 5237864 | Device for precise measurement of force | William L. Cooper, Robert S. Smith | 1993-08-24 |
| 4547894 | Replaceable battery pack for intra-oral larynx | Jon M. Benson | 1985-10-15 |
| 4502151 | Replaceable saliva barrier for intra-oral larynx | Jon M. Benson, Theodore H. Toch | 1985-02-26 |