Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5184116 | Back-lightable diffusive display sign | Richard Petrocy | 1993-02-02 |
| 4673081 | Waste oil drain collector and storage container kit | Peter C. Habig | 1987-06-16 |
| 4441487 | Cosmetic and therapeutic appliance | Carol A. Daugherty, Larry N. Siebens | 1984-04-10 |