Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7497894 | Portable air separation/air dehydration system | Thomas J. Jeffers, Donald E. Newton | 2009-03-03 |
| 5767488 | Oven preheat countdown timer | James R. Barger, Thomas Welke | 1998-06-16 |