Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9937025 | Dental floss perioscope | — | 2018-04-10 |
| 8671676 | Maximized thermal efficiency engines | — | 2014-03-18 |
| 5016441 | Heat regeneration in engines | — | 1991-05-21 |
| 4676067 | Maximized thermal efficiency crank driven hot gas engine | — | 1987-06-30 |
| 4455825 | Maximized thermal efficiency hot gas engine | — | 1984-06-26 |