Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882125 | Sulfidation/oxidation resistant alloys | Curtis S. Tassen | 1989-11-21 |
| 4877435 | Mechanically alloyed nickel-cobalt-chromium-iron composition of matter and glass fiber method and apparatus for using same | Ronald M. Haeberle, Jr., John Weber, Roneldo L. Fisher, David J. Gaul, Jay W. Hinze | 1989-10-31 |
| 4877461 | Nickel-base alloy | Curtis S. Tassen, Pasupathy Ganesan, Jack M. Wheeler | 1989-10-31 |
| 4867116 | Aircraft exhaust valves | Eduardo de Freitas Couto Rosa | 1989-09-19 |