Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5132176 | Battery state of charge indicator | Theodore W. Valentine, Allen F. Fiedler, Joseph Szymborski | 1992-07-21 |
| 4855196 | Multilaminate material and separator assembly for electrochemical cells | — | 1989-08-08 |
| 4716944 | Tubular plate electrode slurry filling process and apparatus for lead-acid cells | — | 1988-01-05 |
| 4678730 | Tubular plate electrode slurry filling process and apparatus for lead-acid cells | — | 1987-07-07 |
| 4401730 | Sealed deep cycle lead acid battery | Joseph Szymborski, Sudhansu S. Misra, Brian W. Burrows | 1983-08-30 |