FS

Friedrich Sommer

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
📍 Wien, AT: #1,114 of 3,624 inventorsTop 35%
Overall (All Time): #2,321,549 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4899122 Transformer, choke and the like — 1990-02-06
4364097 Tape speed control device Jacob De Boer, Hendrik J. Sanderson 1982-12-14