Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5660946 | Sealed lead-acid cells and batteries having an expandable cover | William H. Kump, Edward Mattan | 1997-08-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5660946 | Sealed lead-acid cells and batteries having an expandable cover | William H. Kump, Edward Mattan | 1997-08-26 |