JB

Joachim Brumann

FA Felten & Guilleaume Carlswerk Aktiengesellschaft: 1 patents #9 of 20Top 45%
Overall (All Time): #4,111,858 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4203028 Apparatus for treating optical fibers by spark erosion 1980-05-13