Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4674463 | Internal combustion engines | David K. Duckworth | 1987-06-23 |
| 4348157 | Air cooled turbine for a gas turbine engine | David Campbell | 1982-09-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4674463 | Internal combustion engines | David K. Duckworth | 1987-06-23 |
| 4348157 | Air cooled turbine for a gas turbine engine | David Campbell | 1982-09-07 |