Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8312717 | Externally heated engine | Gary P. Hoffman | 2012-11-20 |
| 7919723 | Apparatus and method for cutting lawns using lasers | Gary P. Hoffman, Nanette F. Ide | 2011-04-05 |
| 7762055 | Externally heated engine | Gary P. Hoffman | 2010-07-27 |
| 7076941 | Externally heated engine | Gary P. Hoffman | 2006-07-18 |