Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6789516 | Rotary valve and valve seal assembly for rotary valve engine having hemispherical combustion chambers | — | 2004-09-14 |
| 6779504 | Spherical rotary intake valve for spherical rotary valve engine assembly | — | 2004-08-24 |
| 6779925 | Bearing assembly | — | 2004-08-24 |
| 6718933 | Valve seal for rotary valve engine | — | 2004-04-13 |