Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4646458 | Rimless cartridge extractor | — | 1987-03-03 |
| 4472901 | Pistol grip assembly | Robert L. Hillberg | 1984-09-25 |
| 4407085 | Handgun firing mechanism | Robert L. Hillberg | 1983-10-04 |
| 4400900 | Multi-barrel handgun firing mechanism | Robert L. Hillberg | 1983-08-30 |
| 4392320 | Trigger retaining and stabilizing means | Robert L. Hillberg | 1983-07-12 |