Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683507 | Apparatus for growing large silicon carbide single crystals | Donovan L. Barrett, Raymond G. Seidensticker | 1997-11-04 |
| 5611955 | High resistivity silicon carbide substrates for high power microwave devices | Donovan L. Barrett, Hudson M. Hobgood, James P. McHugh | 1997-03-18 |