Dipl.-Phys. Hans W. Keller
Winterthur
Patents
Piezoresistive zylinderdosenartige Druckmesszelle
EP0033749
Piezoresistive Druckmesszellen-Baueinheit
CH634147
Fluiddruck-Messwertgeber
CH592300
Holder of 3 patents, 0 in force.
From Swissreg, the register of the Federal Institute of Intellectual Property: Swiss patents and European patents with effect in Switzerland. A patent is listed here when its holder’s name is this entity’s.