Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6403982 | Semi-insulating silicon carbide without vanadium domination | Calvin H. Carter, Jr., Valeri F. Tsvetkov | 2002-06-11 |
| 6396080 | Semi-insulating silicon carbide without vanadium domination | Calvin H. Carter, Jr., Valeri F. Tsvetkov | 2002-05-28 |