Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860537 | High bypass ratio counterrotating gearless front fan engine | — | 1989-08-29 |
| 4859933 | Narrowband signal recognition for EMI measurement | Michael K. Ellis | 1989-08-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860537 | High bypass ratio counterrotating gearless front fan engine | — | 1989-08-29 |
| 4859933 | Narrowband signal recognition for EMI measurement | Michael K. Ellis | 1989-08-22 |