Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834963 | Macrocrystalline tungsten monocarbide powder and process for producing | Jack D. Frank | 1989-05-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834963 | Macrocrystalline tungsten monocarbide powder and process for producing | Jack D. Frank | 1989-05-30 |