Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12331372 | Steel compositions, methods of manufacture and uses in producing rimfire cartridges | Douglas Brad Campbell | 2025-06-17 |
| 11905569 | Steel compositions, methods of manufacture and uses in producing rimfire cartridges | Douglas Brad Campbell | 2024-02-20 |
| 10676801 | Steel compositions, methods of manufacture and uses in producing rimfire cartridges | Douglas Brad Campbell | 2020-06-09 |