Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6225271 | Black powder gun barrel bore, cartridge, and parts cleaning solution | John Hoffman | 2001-05-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6225271 | Black powder gun barrel bore, cartridge, and parts cleaning solution | John Hoffman | 2001-05-01 |