Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6357122 | Plunge drywall saw | — | 2002-03-19 |
| 5503945 | Separator plate for a fuel cell | Randy J. Petri, John R. Meek, Leonard G. Marianowski | 1996-04-02 |
| 5362578 | Integrated main rail, feed rail, and current collector | Randy J. Petri, John R. Meek, Leonard G. Marianowski | 1994-11-08 |
| 5298342 | Fuel cell crossover arrestor and pressure seal | Rene M. Laurens, Thomas G. Benjamin | 1994-03-29 |