Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7062913 | Heat engine | Richard N. Christensen, Jiming Cao | 2006-06-20 |
| 5801062 | Method and device for providing and spreading fluids | Walter Sarstedt, Matthias Pfeiffer | 1998-09-01 |