Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |