Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4414654 | Thinned array transducer for sonar | Marvin S. Scrimshaw, Edward W. Showalter | 1983-11-08 |
| 4380808 | Thinned array transducer for sonar | Marvin S. Scrimshaw, Edward W. Showalter | 1983-04-19 |