Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5398652 | Knife-edge rocker bearing internal combustion engine | — | 1995-03-21 |
| 5271315 | Pressure balanced piston rings | — | 1993-12-21 |
| 4860701 | Multiple piston expansion chamber engine | — | 1989-08-29 |
| 4741296 | Multiple piston expansion chamber engine | — | 1988-05-03 |
| 4715328 | Multiple piston expansion chamber engine | — | 1987-12-29 |
| 4580532 | Multiple piston expansion chamber engine | — | 1986-04-08 |
| 4570580 | Multiple piston expansion chamber engine | — | 1986-02-18 |
| 4489681 | Multiple piston expansion chamber engine | — | 1984-12-25 |