Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4949707 | Retractor apparatus | Bruce A. LeVahn | 1990-08-21 |
| 4720999 | Universal pressure transducer | — | 1988-01-26 |
| 4718151 | Retractor apparatus | Bruce A. LeVahn | 1988-01-12 |
| 4617916 | Retractor apparatus | Bruce A. LeVahn | 1986-10-21 |
| D274197 | Stand for hanging potted plants | — | 1984-06-12 |