Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7019450 | Cathode ray tube with a particle-particle cathode coating | Georg Friedrich Gaertner, David Barratt, Christopher Goodhand, Detlef Raasch, Timothy John Lee | 2006-03-28 |
| 6833659 | Cathode ray tube comprising a cathode of a composite material | Georg Friedrich Gaertner, Wyndham Michael Johnstone | 2004-12-21 |
| 5243197 | Semiconductor device for generating an electron current | Gerardus G. P. Van Gorkom, Aart A. Van Gorkum, Gerjan F. A. Van De Walle, Arthur M. E. Hoeberechts | 1993-09-07 |