DP

David J. Perduijn

U.S. Philips: 4 patents #1,244 of 8,851Top 15%
Overall (All Time): #1,308,720 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4460842 Piezoelectric device with high, constant preload force Jan W. Waanders, Herman F. van Heek, Roger A. Colson 1984-07-17
4418354 Method of manufacturing jet nozzle ducts, and ink jet printer comprising a jet nozzle duct manufactured by means of the method 1983-11-29
4383196 Piezoelectric ceramic body for an electromechanical transducer Jacobus Verberkt 1983-05-10
4355256 Ceramic composition for a piezoelectric body and electromechanical transducer Jacobus Verberkt 1982-10-19