Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6520219 | Method and apparatus for storing compressed gas | Vladimir Shapovalov | 2003-02-18 |
| 6511766 | Low cost molded plastic fuel cell separator plate with conductive elements | Mathias Hecht | 2003-01-28 |