Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827712 | Turbofan gas turbine engine | — | 1989-05-09 |
JC
John F. Coplin
Overall (1989): #96,055 of 140,708Top 70%
1
Patents 1989