Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6822551 | System for communication with a vehicle in close proximity to a fixed service port | Edward Li, Henrik Thorning Christensen, Bruce Stephen Jenner, Curtis Robin | 2004-11-23 |
| 6817879 | Service port configurations | Alan Mulvenna, David Michael Routtenberg, John David Trevor Graham | 2004-11-16 |
| 6810925 | Hydrogen fueling station | John David Trevor Graham, Alan Mulvenna, Joachim George Borck, James Ko, Matthew Harper | 2004-11-02 |
| 6619342 | Wheel stop service port | John David Trevor Graham, David Michael Routtenberg, Darren Sokoloski, Alan Mulvenna | 2003-09-16 |