Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12298098 | Firearm barrel having at least one barrel gas port and method of manufacturing the same | William H. Geissele, Frank E. Robinson | 2025-05-13 |
| 11920885 | Firearm barrel having at least one barrel gas port and method of manufacturing the same | William H. Geissele, Frank E. Robinson | 2024-03-05 |