Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872812 | Turbine blade plateform sealing and vibration damping apparatus | William A. Litzinger | 1989-10-10 |
DH
David G. Hendley
Overall (1989): #122,989 of 140,708Top 90%
1
Patents 1989