Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5835080 | Touch sensitive display | John Beeteson, Griffith John Lewis, Edward Trevor Shepherd | 1998-11-10 | $21,430,000 |
| 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 | $13,053,000 |
| 4908550 | Cathode ray tube apparatus | Elaine Chase, Edward Trevor Shepherd, Peter Beanlands | 1990-03-13 |