Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833340 | System for delivery of active substances | Michael Lefenfeld, Steven M. Berman, Jared K. Berman | 2004-12-21 |
| 5206094 | Fuel cell evaporative cooler | — | 1993-04-27 |
| 5009968 | Fuel cell end plate structure | Robin J. Guthrie, Craig R. Schroll | 1991-04-23 |
| 4983472 | Fuel cell current collector | Stanley P. Bonk, Donald L. Maricle, Martin L. Abrams | 1991-01-08 |
| 4761348 | Electrolytic cell stack with molten electrolyte migration control | H. Russell Kunz, Robin J. Guthrie | 1988-08-02 |
| 4596748 | Method for replacing lost electrolyte in fuel cells | Harold R. Kunz | 1986-06-24 |
| 4548874 | Short protection device for stack of electrolytic cells | Craig R. Schroll | 1985-10-22 |
| 4259302 | Regenerable ammonia scrubber | Gary A. Gruver, H. Russell Kunz | 1981-03-31 |