Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5743841 | Foam composition for treating asbestos-containing materials and method of using same | Jacob Block, Natalia Vera Krupkin, Daniel Reid Kuespert, Gary M. Nishioka, John W. Lau | 1998-04-28 |
| 4731304 | Battery separator | Joseph T. Lundquist, Christian B. Lundsager, Howard J. Troffkin | 1988-03-15 |
| 4650730 | Battery separator | Joseph T. Lundquist, Christian B. Lundsager, Howard J. Troffkin | 1987-03-17 |
| 4265985 | Lead acid battery with separator having long fibers | Dennis D. O'Rell, Vu Nguyen | 1981-05-05 |
| 4216281 | Battery separator | Dennis D. O'Rell, Vu Nguyen | 1980-08-05 |
| 4205123 | Battery separator with porous body and fused rib | Don O. Grammer | 1980-05-27 |