KW

Keimpe van Wijk

U.S. Philips: 2 patents #2,537 of 8,851Top 30%
Overall (All Time): #2,351,241 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4494227 Stereo phono pick-up and/or cutter Casper E. G. M. M. van Vroonhoven 1985-01-15
4456984 Magnetic pick-up and/or cutter cartridge — 1984-06-26