Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6374790 | Model airplane engine having a heated backplate | C. David Gierke | 2002-04-23 |
| 5309713 | Compressed gas engine and method of operating same | — | 1994-05-10 |
| 5074196 | Flexible gas impermeable sandwich diaphragm | John G. Michalovic | 1991-12-24 |
| 4287033 | Electrochemical method for removing metallic sheaths | James A. Weibel, Sr. | 1981-09-01 |