Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10428450 | Glass fiber reinforced facer mat | Dale Grove, Alan Michael Jaffee, David Earl Weller, JR. | 2019-10-01 |
| 9267238 | Glass fiber reinforced facer mat | Dale Grove, Alan Michael Jaffee, David Earl Weller, JR. | 2016-02-23 |
| 8216411 | Spunbonded heat seal material | Helen Viazmensky, John M. Allen | 2012-07-10 |
| 8057583 | Filter media including silicone and/or wax additive(s) | Dale Grove, Alan Michael Jaffee | 2011-11-15 |
| 7935646 | Spunbonded heat seal material | Helen Viazmensky, John M. Allen | 2011-05-03 |
| 5725822 | Extrusion of electrode material by liquid injection into extruder barrel | David Gerard Keller, Kenneth Orville MacFadden | 1998-03-10 |
| 5389463 | Battery separator | Victor S. Chang, Richard C. Hartwig, Joseph T. Lundquist, Christian B. Lundsager, Marc E. Parham +1 more | 1995-02-14 |
| 5336573 | Battery separator | David Zuckerbrod | 1994-08-09 |
| 5281491 | Battery separator | Burton M. Rein, Howard J. Troffkin, Robert M. Spotnitz, Yihong Guo | 1994-01-25 |
| 5240655 | Process of making a battery separator | Howard J. Troffkin, Burton M. Rein, Robert M. Spotnitz, Yihong Guo | 1993-08-31 |
| 4699857 | Battery separator | James K. Kung, Wai Ming Choi | 1987-10-13 |