Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858051 | System for the recording and/or playback of signals | Karl-Heinz Fischer, Werner Kock | 1989-08-15 |
WT
Wolfgang Tuider
Overall (1989): #42,420 of 140,708Top 35%
1
Patents 1989