Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4398448 | Buffered bolt assembly | — | 1983-08-16 |
| 4392407 | Machine gun ammunition loading system | John H. Peck | 1983-07-12 |
| 4253376 | Termination accumulator | William J. Washburn, Hugh B. Thompson | 1981-03-03 |
| 4197801 | Ammunition round | William J. Washburn | 1980-04-15 |