Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888069 | Nickel base superalloys having low chromium and cobalt contents | Stephen Chin | 1989-12-19 |
| 4801513 | Minor element additions to single crystals for improved oxidation resistance | Frederick A. Schwizer | 1989-01-31 |