Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10443963 | Modified rifle lower receiver, related components, cartridges, and methods | David Grange, Mitchel W. Shoffner | 2019-10-15 |
| 10175013 | Modified rifle lower receiver, related components, cartridges, and methods | Mitchel W. Shoffner, David Grange | 2019-01-08 |