Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8841919 | Under water connector with sealed access port | Daniel F. Zivi, Charles L. Robbins, Jr. | 2014-09-23 |
| 5132176 | Battery state of charge indicator | Theodore W. Valentine, Allen F. Fiedler, Mark L. Eggers | 1992-07-21 |
| 4401730 | Sealed deep cycle lead acid battery | Sudhansu S. Misra, Mark L. Eggers, Brian W. Burrows | 1983-08-30 |
| 4328290 | Battery vent plug | Frank D. Unetic | 1982-05-04 |