Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6005322 | Integrated fuel cell electric motor | Mark Frank Isaak | 1999-12-21 |
| 5923106 | Integrated fuel cell electric motor with static fuel cell and rotating magnets | Mark Frank Isaak | 1999-07-13 |
| 5044245 | Rotary precision circle cutter | David H. Klempel | 1991-09-03 |