Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4950940 | Cathode ray tube with means for preventing backscatter from electron multiplier | Ronald W. A. Gill, Alan G. Knapp, Daphne L. Lamport, Derek Washington | 1990-08-21 |
| 4908545 | Cathode ray tube | Ronald W. A. Gill, Alan G. Knapp, Daphne L. Lamport, Derek Washington | 1990-03-13 |
| 4879496 | Display tube | Alan G. Knapp, Daphne L. Lamport, Derek Washington | 1989-11-07 |
| 4853587 | Flat cathode ray display tube with periodic beam refocusing means | Daphne L. Lamport | 1989-08-01 |
| 4737690 | Display tube | Daphne I. Lamport | 1988-04-12 |