Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5065662 | Firing mechanism for revolving battery gun | Stephen J. Bullis, Steven R. Duke, Glenn Rossier | 1991-11-19 |
| 4982650 | Modular ammunition packaging and feed system | Joseph Bender-Zanoni, Howard T. Cook, Jr., Stephen A. Jarvis | 1991-01-08 |
| 4294158 | Gun bolt control mechanism | Raymond A. Patenaude, Stephen J. Bullis | 1981-10-13 |