Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D380732 | Electric outlet adaptor | — | 1997-07-08 |
| 5478167 | Buoyant matter diverting system | M. Leonard Oppenheimer | 1995-12-26 |
| 5005356 | Torque converter utilizing streamwise vorticity | — | 1991-04-09 |
| D312155 | Lottery ticket scraper | — | 1990-11-13 |