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Martin Apschner
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last 30 patents
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Patent Grant
System with a lock and a key which cooperate according to the trans...
Patent number
6,150,952
Issue date
Nov 21, 2000
U.S. Philips Corporation
Peter Priller
G07 - CHECKING-DEVICES
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Patent Grant
Access control system for controlling the access to at least one sp...
Patent number
6,147,621
Issue date
Nov 14, 2000
U.S. Philips Corporation
Martin Apschner
G07 - CHECKING-DEVICES