Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4720901 | Method of positioning an aircraft jet engine noise suppressor in a convergent jet engine nozzle | Joseph M. Johnson | 1988-01-26 |
| 4567960 | Fixed geometry controlled entrainment ventilated convergent nozzle and method | Joseph M. Johnson | 1986-02-04 |