Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4950940 | Cathode ray tube with means for preventing backscatter from electron multiplier | Alfred W. Woodhead, Ronald W. A. Gill, Alan G. Knapp, Derek Washington | 1990-08-21 |
| 4908545 | Cathode ray tube | Alfred W. Woodhead, Ronald W. A. Gill, Alan G. Knapp, Derek Washington | 1990-03-13 |
| 4879496 | Display tube | Alan G. Knapp, Derek Washington, Alfred W. Woodhead | 1989-11-07 |
| 4853587 | Flat cathode ray display tube with periodic beam refocusing means | Alfred W. Woodhead | 1989-08-01 |
| 4757230 | Display tube | Derek Washington | 1988-07-12 |
| 4698555 | Cathode ray tube display system | Alan G. Knapp | 1987-10-06 |
| 4394599 | Flat cathode ray tube | James Jefferson Smith | 1983-07-19 |