Issued Patents All Time
Showing 76–84 of 84 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5954874 | Growth of bulk single crystals of aluminum nitride from a melt | — | 1999-09-21 |
| 5882786 | Gemstones formed of silicon carbide with diamond coating | Kurt Nassau, Thomas G. Coleman | 1999-03-16 |
| 5858086 | Growth of bulk single crystals of aluminum nitride | — | 1999-01-12 |
| 5835205 | Optical testing system for distinguishing a silicon carbide gemstone from a diamond | Douglas G. Waltz | 1998-11-10 |
| 5762896 | Silicon carbide gemstones | Dirk Verbiest | 1998-06-09 |
| 5723391 | Silicon carbide gemstones | Dirk Verbiest | 1998-03-03 |
| RE34861 | Sublimation of silicon carbide to produce large, device quality single crystals of silicon carbide | Robert F. Davis, Calvin H. Carter, Jr. | 1995-02-14 |
| 4883032 | In-cylinder control of particulates and nitric oxide for diesel engine | Harry A. Cikanek | 1989-11-28 |
| 4866005 | Sublimation of silicon carbide to produce large, device quality single crystals of silicon carbide | Robert F. Davis, Calvin H. Carter, Jr. | 1989-09-12 |