Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844845 | Dry mixture for production of pre-formed propellant charge | Stephen E. Clarke | 1989-07-04 |
| 4802415 | Telescoped ammunition round having subcaliber projectile sabot with integral piston | Stephen E. Clarke, Ernest R. Mijares | 1989-02-07 |