RB

Rolf Boing

BG Bergwerksverband Gmbh: 1 patents #90 of 243Top 40%
Overall (All Time): #3,984,994 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4704895 Method and device for monitoring roller drilling tools Dietmar Frase, Manfred Noeske 1987-11-10