Assignee
BERCHTOLD AG
6 granted patents·237 citations·filing 1979–2000
Top patents by PatentIndex Score
6 records- 0188US6523377B1Blocking device for a cylinder lockBERCHTOLD AG·Filed 2000·Granted Feb 25, 2003·45 cites·15 claims
- 0283US5956986ALocking device with a cylinder lock and a flat keyBERCHTOLD AG·Filed 1995·Granted Sep 28, 1999·58 cites·8 claims
- 0375US4939915AElectromechanical locking deviceBERCHTOLD AG·Filed 1988·Granted Jul 10, 1990·38 cites·17 claims
- 0473US6041631ALocking device with a cylinder lock and a flat keyBERCHTOLD AG·Filed 1995·Granted Mar 28, 2000·37 cites·7 claims
- 0566US4270372AKey and lock systemBERCHTOLD AG·Filed 1979·Granted Jun 2, 1981·26 cites·5 claims
- 0649US4924686AContact device for transmitting electrical signals between a lock and key in a cylinder lockBERCHTOLD AG·Filed 1988·Granted May 15, 1990·33 cites·13 claims
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