Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5162164 | Dual battery system | Thomas J. Dougherty, Edward N. Mrotek, David A. Thuerk, Maurice C. Michaud | 1992-11-10 |
| 5002840 | Switched emergency battery system | Thomas J. Dougherty, Edward N. Mrotek, David A. Thuerk, Maurice Michaud | 1991-03-26 |