Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5254982 | Error propagated image halftoning with time-varying phase shift | Carl G. Powell | 1993-10-19 |
| 4792728 | Cathodoluminescent garnet lamp | Ifay F. Chang, Webster E. Howard, Eugene I. Gordon | 1988-12-20 |