Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5389433 | Battery separator | Victor S. Chang, Richard C. Hartwig, James K. Kung, Joseph T. Lundquist, Marc E. Parham +1 more | 1995-02-14 |
| 5389463 | Battery separator | Victor S. Chang, Richard T. Giovannoni, Richard C. Hartwig, Joseph T. Lundquist, Christian B. Lundsager +1 more | 1995-02-14 |
| 5362581 | Battery separator | Victor S. Chang, Richard C. Hartwig, Joseph T. Lundquist, Marc E. Parham | 1994-11-08 |
| 5362582 | Battery separator | Victor S. Chang, Richard C. Hartwig, Joseph T. Lundquist, Marc E. Parham, James K. Kung +1 more | 1994-11-08 |
| 5346788 | Microporous polyurethane based battery separator | Victor S. Chang, Richard C. Hartwig, Joseph T. Lundquist, Marc E. Parham | 1994-09-13 |