Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858051 | System for the recording and/or playback of signals | Werner Kock, Wolfgang Tuider | 1989-08-15 |
KF
Karl-Heinz Fischer
Overall (1989): #91,026 of 140,708Top 65%
1
Patents 1989