FW

Friedrich Wolff

WG Wolfcraft Gmbh: 7 patents #8 of 26Top 35%
OA O & K Orenstein And Koppel Ag: 2 patents #11 of 95Top 15%
WH Werkzeug-Gesellschaft Mit Beschrankter Haftung: 2 patents #2 of 6Top 35%
3M: 1 patents #7,233 of 11,543Top 65%
HA Hoesch Werke Ag: 1 patents #25 of 67Top 40%
SK Supfina Maschinenfabrik Hentzen Gmbh & Co. Kg: 1 patents #2 of 12Top 20%
Overall (All Time): #145,990 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4196354 Apparatus for producing ultraviolet radiation — 1980-04-01
4194125 Sunlamp and source of ultraviolet radiation therefor — 1980-03-18