Patents for E05B 45 - Alarm locks (4,216)
09/1978
09/26/1978US4116615 Door-actuated activation means for flashlamp article
09/19/1978US4114412 Tumbler lock alarm construction
04/1978
04/04/1978US4081980 Electric security lock
03/1978
03/14/1978US4078405 Alarm switch mechanism for an axial split-pin tumbler-type lock
02/1978
02/21/1978US4074548 Lock cylinder assembly
06/1977
06/14/1977US4029919 Locking arrangement with burglar alarm
03/1977
03/08/1977US4010968 Latch guard
02/1977
02/01/1977US4006471 Emergency exit lock system for doors
01/1977
01/11/1977US4003047 Emergency exit latch
12/1976
12/07/1976US3995464 Door locking means
11/1976
11/23/1976US3993987 Locking device having an integral alarm system
10/1976
10/19/1976US3986376 Lock
07/1976
07/20/1976US3970339 Double swinging latchbolt
07/06/1976US3967481 Detector cylinder
06/1976
06/29/1976US3967080 Switch device for indicating the undue opening of doors and closing-wings
06/08/1976US3962695 Magnetic key lock and alarm
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