Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851737 | Apparatus in cathode ray tubes for reducing the magnetic field strength in the tube environment | Roland Johansson, Knud E. Madsen | 1989-07-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851737 | Apparatus in cathode ray tubes for reducing the magnetic field strength in the tube environment | Roland Johansson, Knud E. Madsen | 1989-07-25 |