Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359707 | Picture tube demagnetizing coil arrangement | Dieter Spannhake | 1982-11-16 |
OC
Otto Chwalkowski
Overall (All Time): #4,078,738 of 4,157,543Top 100%
1
Patents All Time