Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4775827 | Device for indicating the charge status of a battery | Jouw Van Den Akker, Jacob F. Verrij, Lambert J. H. Folmer, Teruo Hishiki | 1988-10-04 |
| 4536757 | Device for signalling a specific charge condition of an accumulator battery | — | 1985-08-20 |