Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8323809 | Fuel cell electrolyte membrane with basic polymer | Phat T. Pham, Matthew H. Frey, Steven J. Hamrock, Gregory M. Haugen, William M. Lamanna | 2012-12-04 |
| 7838138 | Fuel cell electrolyte membrane with basic polymer | Phat T. Pham, Matthew H. Frey, Steven J. Hamrock, Gregory M. Haugen, William M. Lamanna | 2010-11-23 |
| 7517604 | Fuel cell electrolyte membrane with acidic polymer | Steven J. Hamrock, Phat T. Pham, Matthew H. Frey, Gregory M. Haugen, William M. Lamanna | 2009-04-14 |
| 6703068 | Amine oxide coating compositions | Klaus Hintzer, Armin Steurer, Dieter Birkhorst, Joseph Frisk, Wayne Boand | 2004-03-09 |
| 6613106 | Membrane electrode assemblies | Mark K. Debe, William V. Balsimo, Andrew J. Steinbach, Raymond J. Ziegler | 2003-09-02 |
| 6465041 | Method of making gas diffusion layers for electrochemical cells | Joseph Frisk, Wayne Boand | 2002-10-15 |
| 6432571 | Membrane electrode assemblies | Mark K. Debe, William V. Balsimo, Andrew J. Steinbach, Raymond J. Ziegler | 2002-08-13 |
| 6428584 | Membrane electrode assemblies | Mark K. Debe, William V. Balsimo, Andrew J. Steinbach, Raymond J. Ziegler | 2002-08-06 |
| 6381308 | Device for coupling hearing aid to telephone | Charles H. Cargo, Gerald P. Mill | 2002-04-30 |
| 6183668 | Membrane electrode assemblies | Mark K. Debe, William V. Balsimo, Andrew J. Steinbach, Raymond J. Ziegler | 2001-02-06 |
| 6171723 | Batteries with porous components | Robert LOCH, Brian D. Fredericksen | 2001-01-09 |
| 6143216 | Batteries with porous components | Robert LOCH, Brian D. Fredericksen | 2000-11-07 |
| 6059860 | Sorptive articles | — | 2000-05-09 |
| 5910378 | Membrane electrode assemblies | Mark K. Debe, William V. Balsimo, Andrew J. Steinbach, Raymond J. Ziegler | 1999-06-08 |
| 5417678 | Low profile ostomy filter | Nicholas R. Baumann, John L. Roche, Paul E. Hansen | 1995-05-23 |
| 4830910 | Low adhesion compositions of perfluoropolyethers | — | 1989-05-16 |
| 4706570 | Crane with anti-skewing device | Dominik J. Moro, Robert R. Reisinger, Roscoe E. Kuhn | 1987-11-17 |
| 4614667 | Composite low surface energy liner of perfluoropolyether | Allen L. Noreen | 1986-09-30 |
| 4567073 | Composite low surface energy liner of perfluoropolyether | Allen L. Noreen | 1986-01-28 |
| 4246293 | Process of preparing potato snack product | — | 1981-01-20 |