Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4288187 | Arrangement for producing grooves | Karl Wanner, Wilbert Reibetanz, Hans-Peter Dohse, Otto Baumann, Karl Seitz +2 more | 1981-09-08 |
DS
Dietmar Spiwokz
Overall (All Time): #4,096,293 of 4,157,543Top 100%
1
Patents All Time