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Antonius J. M. Hafkamp
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Doetinchem, NL
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last 30 patents
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Patent Grant
Telephone set with a detachable cordless control and display panel
Patent number
6,201,951
Issue date
Mar 13, 2001
U.S. Philips Corporation
Arne L. Duwaer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Force activated touch screen measuring deformation of the front panel
Patent number
5,541,372
Issue date
Jul 30, 1996
U.S. Philips Corporation
Theunis S. Baller
G06 - COMPUTING CALCULATING COUNTING