Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |