Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9389053 | 40mm door-breaching grenade | Robert S. Willhelm, John F. Johnson, Wayne R. Mayville, Andrew R. Davis, Chad L. Greenlee | 2016-07-12 |
| 6474684 | Dual stage inflator | Christopher Ludwig, Robert S. Willhelm, John E. Bednarz, Martin MUIR, Gregory Scaven | 2002-11-05 |