Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4671744 | Self-contained propellant driven turbofan | Donald E. Shaffer, Peter Lucas, Calvin W. Vriesen | 1987-06-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4671744 | Self-contained propellant driven turbofan | Donald E. Shaffer, Peter Lucas, Calvin W. Vriesen | 1987-06-09 |