Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4447251 | Sonic levitation apparatus | Alan R. Pomplun, Elmer G. Paquette, Edwin C. Ethridge, Jerry. L. Johnson | 1984-05-08 |
| 4203521 | Packet for providing thermal protection for documents | — | 1980-05-20 |