Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12173664 | Adaptive any-fuel camless reciprocating engine | Raymond Mitchell Spearrin, Tsu-Chin Tsao | 2024-12-24 |
| 11225917 | Adaptive any-fuel camless reciprocating engine | Raymond Mitchell Spearrin, Tsu-Chin Tsao | 2022-01-18 |