WS

Wilhelm Schaefer

RG Renk Tacke Gmbh: 1 patents #1 of 7Top 15%
📍 Witten, DE: #159 of 328 inventorsTop 50%
Overall (All Time): #3,870,308 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4993848 Thrust bearing system for counter-rotating propeller shafts, particularly ships propeller shafts Erich John 1991-02-19