Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828895 | Magnetic recording medium for test purposes, in particular for calibrating flying heads | Waltraud Bickert, Heide Brunkhorst, Istvan Gergely | 1989-05-09 |
WO
Wolfgang Oetzel
Overall (All Time): #3,927,408 of 4,157,543Top 95%
1
Patents All Time