Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4632334 | Tape cassette, in particular a magnetic tape cassette, and a reel support liner therefor | Norbert Schaeffer, Dietmar Pfefferkorn, Roland Sold, Uwe Brinkmann, Ludwig Kreitner | 1986-12-30 |
RS
Roland Sigwalt
Overall (All Time): #4,007,507 of 4,157,543Top 100%
1
Patents All Time