Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7477505 | Capacitor bank for electrical generator | Mark Timmerman | 2009-01-13 |
| 7063906 | Fuel cell system and method for operating the same | Derek Matthews, Ed Peters, Gerhard Schmidt | 2006-06-20 |
| 6817879 | Service port configurations | David Michael Routtenberg, John David Trevor Graham, William Mufford | 2004-11-16 |
| 6810925 | Hydrogen fueling station | John David Trevor Graham, William Mufford, Joachim George Borck, James Ko, Matthew Harper | 2004-11-02 |
| 6722903 | Service plug configuration | John David Trevor Graham | 2004-04-20 |
| 6691749 | Service coupling | John David Trevor Graham | 2004-02-17 |
| 6619342 | Wheel stop service port | John David Trevor Graham, David Michael Routtenberg, William Mufford, Darren Sokoloski | 2003-09-16 |