Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888069 | Nickel base superalloys having low chromium and cobalt contents | David Duhl | 1989-12-19 |
SC
Stephen Chin
Overall (1989): #55,791 of 140,708Top 40%
1
Patents 1989