Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337961 | Skateboard | William J. Covert | 1982-07-06 |
| 4323656 | Polyurethane sponges manufactured with additive dispersed therein | Robert L. Strickman | 1982-04-06 |
| 4311543 | Method of manufacturing a disposable contraceptive intravaginal cervical barrier | Robert L. Strickman, Erick-Pierre Fournier | 1982-01-19 |