Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4380471 | Polycrystalline diamond and cemented carbide substrate and synthesizing process therefor | Minyoung Lee, Lawrence E. Szala | 1983-04-19 |
| 4316385 | Fingerprinting crystals | Robert C. DeVries | 1982-02-23 |
| 4231195 | Polycrystalline diamond body and process | Robert C. DeVries, Minyoung Lee, Lawrence E. Szala | 1980-11-04 |