Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6056820 | Advanced physical vapor transport method and apparatus for growing high purity single crystal silicon carbide | Vijay Balakrishna, Godfrey Augustine, R. Noel Thomas, Richard H. Hopkins | 2000-05-02 |
| 5667587 | Apparatus for growing silicon carbide crystals | Robert C. Glass, Ronald R. Ronallo, Hudson M. Hobgood | 1997-09-16 |
| 5077239 | Chalcogenide glass, associated method and apparatus | Narsingh B. Singh, Richard H. Hopkins, Robert Mazelsky | 1991-12-31 |
| 4610754 | Method for growing crystals | Zoltan K. Kun | 1986-09-09 |
| 4540550 | Apparatus for growing crystals | Zoltan K. Kun | 1985-09-10 |