Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374825 | Digital tanning monitor | J. Stephen Doty, Robert W. Colburn | 1994-12-20 |
| 5315533 | Back-up uninterruptible power system | Frederick A. Stich, Donald K. Zahrte, Sr., Douglas C. Folts, Thomas Hubert, Juan Manuel Medina +2 more | 1994-05-24 |