Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877435 | Mechanically alloyed nickel-cobalt-chromium-iron composition of matter and glass fiber method and apparatus for using same | Ronald M. Haeberle, Jr., Gaylord D. Smith, Roneldo L. Fisher, David J. Gaul, Jay W. Hinze | 1989-10-31 |
| 4864808 | Leaf and grass mulching attachment for lawn mowers | — | 1989-09-12 |