Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5052302 | Unpressurized combustible primer for cannon cartridges | Ralph M. Taddeo, Lang-Mann Chang, John Grosh | 1991-10-01 |
| 4386569 | Solid propellant grain for improved ballistic performance guns | — | 1983-06-07 |