Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5382875 | Stray magnetic field suppresser for CRT image displays | Christopher Steven deWaal | 1995-01-17 |
| 5311099 | Pulse driver for CRT stray magnetic field cancelling circuit | — | 1994-05-10 |
| 5231332 | AC electric field emission suppression in CRT image displays | Gregory J. Beaumont | 1993-07-27 |
| 5208510 | CRT magnetic field cancelling device | — | 1993-05-04 |
| 4275338 | Anti-spot burn protection for CRT | Richard J. Steinmetz | 1981-06-23 |