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Henricus H. Roelofs
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Eindhoven, NL
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last 30 patents
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Patent Grant
Device for the exchange of information with an electronic memory ca...
Patent number
5,926,365
Issue date
Jul 20, 1999
U.S. Philips Corporation
Henricus H. Roelofs
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Audio or video apparatus with a built-in loudspeaker
Patent number
5,471,018
Issue date
Nov 28, 1995
U.S. Philips Corporation
Joris A. M. Nieuwendijk
B60 - VEHICLES IN GENERAL