Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4977843 | Sail tensioning apparatus | Joseph D. Grooms | 1990-12-18 |
| 4944213 | Compensator for hand-held firearms | — | 1990-07-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4977843 | Sail tensioning apparatus | Joseph D. Grooms | 1990-12-18 |
| 4944213 | Compensator for hand-held firearms | — | 1990-07-31 |