Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9574556 | Free piston pump and miniature internal combustion engine | Kurt D. Annen, Paul L. Kebabian, David B. Stickler | 2017-02-21 |
| 7485977 | Power generating system | Kurt D. Annen, Jaime A. Woodroffe, David B. Stickler | 2009-02-03 |