Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4508801 | Lead acid battery with self-registering grid complement and methods of making and operating same | Roy A. Guimond, John E. Gulliksen | 1985-04-02 |
| 4359509 | Tubular positive electrode means for use in lead-acid storage batteries including shaped grid structure and self-registering grid complement means therefor | Roy A. Guimond, John E. Gulliksen | 1982-11-16 |
| 4285121 | Method of making storage batteries of the lead-acid class | Roy A. Guimond, John E. Gulliksen | 1981-08-25 |
| 4202936 | Storage batteries of the lead-acid class and methods of making and operating same | Roy A. Guimond, John E. Gulliksen | 1980-05-13 |