Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4330602 | Battery separator | Dennis D. O'Rell, Joseph T. Lundquist, Christian B. Lundsager | 1982-05-18 |
| 4264691 | Battery interseparator | Dennis D. O'Rell, Joseph T. Lundquist, Christian B. Lundsager | 1981-04-28 |