Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842953 | Abradable article, and powder and method for making | Murray S. Smith, Jr. | 1989-06-27 |
RP
Roger J. Perkins
Overall (1989): #61,695 of 140,708Top 45%
1
Patents 1989