Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6606952 | Shotgun adapter for use to school different gauge shells | Leonard J. Vallender | 2003-08-19 |
| 6446559 | Shotgun adapter for use to shoot different guage shells | Leonard J. Vallender | 2002-09-10 |