Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331278 | Pipe welding apparatus | Charles R. Sherer | 1982-05-25 |
| 4325068 | Loran-C signal processor | — | 1982-04-13 |
| 4300139 | Loran-C navigation apparatus | William C. Wurst, Lester R. Brodeur | 1981-11-10 |
| 4224623 | Loran-C cycle detector | William C. Wurst, Lester R. Brodeur | 1980-09-23 |