Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4958289 | Aircraft propeller speed control | Michael J. Sum, George W. Bennett, Neil Walker | 1990-09-18 | $9,017,000 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4958289 | Aircraft propeller speed control | Michael J. Sum, George W. Bennett, Neil Walker | 1990-09-18 | $9,017,000 |