Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4975890 | Underwater sound transmitting system | Sylvan Wolf, Walter O. Allen, Melvin W. Crawford, Robert D. Mattingly, Donald M. Leslie | 1990-12-04 |
| 4185550 | Minesweep obstructor with cable dispensing means | Royal Weller | 1980-01-29 |