Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D987766 | Holographic sight | William P. Parker, Mara Schimelpfenig | 2023-05-30 |
| 5407180 | Heat treat furnace system for performing different carburizing processes simultaneously | Gary D. Keil | 1995-04-18 |
| 5324366 | Heat treat furnace system for performing different carburizing processes simultaneously | Gary D. Keil | 1994-06-28 |