Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4949688 | Rotary internal combustion engine | — | 1990-08-21 |
| 4867238 | Recovery of viscous oil from geological reservoirs using hydrogen peroxide | Robert E. Williams | 1989-09-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4949688 | Rotary internal combustion engine | — | 1990-08-21 |
| 4867238 | Recovery of viscous oil from geological reservoirs using hydrogen peroxide | Robert E. Williams | 1989-09-19 |