Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817382 | Turboprop propulsion apparatus | Peter K. C. Rudolph | 1989-04-04 |
| 4815273 | Single propeller turboprop propulsion apparatus | Peter K. C. Rudolph | 1989-03-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817382 | Turboprop propulsion apparatus | Peter K. C. Rudolph | 1989-04-04 |
| 4815273 | Single propeller turboprop propulsion apparatus | Peter K. C. Rudolph | 1989-03-28 |