Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5389433 | Battery separator | Victor S. Chang, Richard C. Hartwig, Joseph T. Lundquist, Marc E. Parham, James A. Avtges +1 more | 1995-02-14 |
| 5389471 | Wettable battery separator for alkaline batteries | — | 1995-02-14 |
| 5362582 | Battery separator | Victor S. Chang, Richard C. Hartwig, Joseph T. Lundquist, Marc E. Parham, James A. Avtges +1 more | 1994-11-08 |
| 5298348 | Battery separator for nickel/metal hydride batteries | — | 1994-03-29 |
| 5154988 | Deep cycle battery separators | Wai Ming Choi | 1992-10-13 |
| 4699857 | Battery separator | Richard T. Giovannoni, Wai Ming Choi | 1987-10-13 |