Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817046 | Detection of engine failure in a multi-engine aircraft | Robert W. Rice, David H. Sweet, Charles W. Evans, Gregory P. Wright, James J. Howlett +1 more | 1989-03-28 |
MJ
Mark A. Johnston
Overall (1989): #80,851 of 140,708Top 60%
1
Patents 1989