Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824738 | Controlling oxygen concentrations in fuel cell cooling water loops | Robert Misage, Albert P. Grasso | 1989-04-25 |
| 4824740 | Fuel cell stack cooling system | Martin L. Abrams, Glenn W. Scheffler | 1989-04-25 |