Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359810 | Method of forming cartridge chambers in firearm barrels | William E. Osborne, James Michael O'Keefe | 1982-11-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359810 | Method of forming cartridge chambers in firearm barrels | William E. Osborne, James Michael O'Keefe | 1982-11-23 |