Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790553 | Method for producing bridged polymer membrane and fuel cell | — | 2004-09-14 |
| 6706437 | Bipolar plates for fuel cell stacks | Victor Trapp, Markus Leib, Ruediger Hengl | 2004-03-16 |
| RE38390 | Read/write head retract mechanism | Yasushi Onooka, Junji Kawada | 2004-01-20 |