Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 1, 2019
Patent Application Number
15642849
Date Filed
July 6, 2017
Patent Citations Received
Patent Primary Examiner
Patent abstract
A method for retrofitting a door comprising a key reader with a door control unit. The door control unit, key reader and the latch release mechanism may also be powered by a key comprising a power supply, the key also supplying a coded sequence to the door control unit.
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