Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9309720 | Double shaft drilling apparatus with hanger bearings | Douglas K. Baugher, Mark Chustz | 2016-04-12 |
| 8458821 | Helmet stabilization apparatus | Timothy Langan | 2013-06-11 |