Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5315533 | Back-up uninterruptible power system | Frederick A. Stich, Donald K. Zahrte, Sr., Richard V. Baxter, Jr., Thomas Hubert, Juan Manuel Medina +2 more | 1994-05-24 |
| 5302858 | Method and apparatus for providing battery charging in a backup power system | — | 1994-04-12 |