Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889836 | Titanium diboride-based composite articles with improved fracture toughness | Earl G. Geary, Jr. | 1989-12-26 |
| 4863490 | Titanium diboride-based composite articles with alumina dispersoids, having improved fracture toughness | Earl G. Geary, Jr. | 1989-09-05 |
| 4810530 | Method of coating metal carbide nitride, and carbonitride whiskers with metal carbides, nitrides, carbonitrides, or oxides | Charles D'Angelo, III, Joseph G. Baldoni, II | 1989-03-07 |
| 4804231 | Point attack mine and road milling tool with replaceable cutter tip | Vinod K. Sarin | 1989-02-14 |