Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5057147 | Method for preparation of WC-NI grade powder | Mary E. Shaffer | 1991-10-15 |
| 4664899 | Method of producing monotungsten carbide powder | Mary E. Shaffer, Thomas R. Pinkowski, Geoffrey L. Harris | 1987-05-12 |
| 4450724 | Method for determining the size of metal carbide grains in cemented carbides | Richard F. Cheney, Anil Bansal | 1984-05-29 |
| 4402737 | Method of producing tungsten and tungsten carbide powder | Christopher A. Kronenwetter, Geoffrey L. Harris | 1983-09-06 |