Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5270132 | Minimized corrosion fuel cell device and a method of making the same | Richard D. Breault, Richard D. Sawyer | 1993-12-14 |
| 4786086 | Fuel cell stack electrically insulated fluid connector | Robin J. Guthrie | 1988-11-22 |
| 4774154 | Expanded high-temperature stable chemical resistant seal material | James D. Singelyn, Raymond L. Gelting | 1988-09-27 |
| 4514475 | Fuel cell separator with compressible sealing flanges | — | 1985-04-30 |
| 4337571 | Method for producing a fuel cell manifold seal | Paul E. Grevstad, Carl K. Johnson | 1982-07-06 |
| 4212929 | Fuel cell manifold sealing system | Paul E. Grevstad, Carl K. Johnson | 1980-07-15 |