Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5057147 | Method for preparation of WC-NI grade powder | Edward R. Kimmel | 1991-10-15 | $11,625,000 |
| 4664899 | Method of producing monotungsten carbide powder | Edward R. Kimmel, Thomas R. Pinkowski, Geoffrey L. Harris | 1987-05-12 | $15,782,000 |
| 4478888 | Process for producing refractory powder | Mary L. Benjamin, Robert J. Dobbs | 1984-10-23 | $7,925,000 |
| 4456484 | Process for producing refractory powder | Mary L. Benjamin, Robert J. Dobbs | 1984-06-26 | $6,564,000 |
| 4397889 | Process for producing refractory powder | Mary L. Benjamin, Robert J. Dobbs | 1983-08-09 | $6,063,000 |