Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5835080 | Touch sensitive display | John Beeteson, Griffith John Lewis, Edward Trevor Shepherd | 1998-11-10 |
| 5130606 | Method and apparatus for increasing the cathode efficiency in a cathode ray tube | Andrew J. Morrish, Julian D. Williams, David Eagle | 1992-07-14 |
| 4908550 | Cathode ray tube apparatus | Elaine Chase, Edward Trevor Shepherd, Peter Beanlands | 1990-03-13 |