Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5559295 | Underwater sampling method and apparatus | — | 1996-09-24 |
| 5520881 | Anoxic treatment method and apparatus | Robert J. Koestler, William Louche | 1996-05-28 |
| 5336107 | Plug retention device | — | 1994-08-09 |
| 4961533 | Inventory control system | David Teller, Lance Ong | 1990-10-09 |
| 4858084 | Illuminated coaster for a drinking vessel | — | 1989-08-15 |