Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4580078 | Method of adjusting color purity in a television receiver, and television receiver with purity-adjustment system | — | 1986-04-01 |
| 4359707 | Picture tube demagnetizing coil arrangement | Otto Chwalkowski | 1982-11-16 |