Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4372085 | Apparatus for form-grinding the tooth-flanks of a cylindrical gearwheel | Dieter Wiener, Gerd Sulzer, Rudolf Skyba, deceased | 1983-02-08 |
| 4237852 | Dressing tool for the grinding wheel of a gear grinding machine | Dieter Wiener, Klaus Koch | 1980-12-09 |