Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4306002 | Multiple cell vent cap for a storage battery | Terry Oxenreider | 1981-12-15 |
| 4286028 | Snap-through anti-ignition vent cap for lead acid storage batteries | Edgar M. Erb | 1981-08-25 |
| 4233370 | Snap-through anti-ignition vent cap for lead acid storage batteries | Edgar M. Erb | 1980-11-11 |
| 4203791 | Method of making a multi-slit self-sealing ignition-arrester battery vent | Edgar M. Erb | 1980-05-20 |