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Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US40515489 Dec 197527 Sep 1977Tokao MurataElectric locking device
US416961626 Sep 19772 Oct 1979C. Hager & Sons Hinge Manufacturing CompanyValve and cylinder-actuated lock controlled thereby
US43142171 Aug 19792 Feb 1982Ellenberger & Poensgen GmbHLocking device
US435583025 Feb 198026 Oct 1982CNI IncorporatedElectrical locking mechanism
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US468691215 Apr 198518 Aug 1987The Protech PartnershipElectrically controlled locking apparatus and safe utilizing same
US46915429 Apr 19858 Sep 1987Southern Steel CompanyDoor locking system
US47766191 May 198611 Oct 1988Southern Steel CompanySliding door lock
US484385123 Sep 19874 Jul 1989Emhart Industries Inc.Locking mechanism for multifunctional electronic lock
US491347518 Apr 19883 Apr 1990Phelps-Tointon, Inc.Security lock mechanism
US49290037 Oct 198829 May 1990Adtec IncorporatedMotorized locking mechanism for a door
US55931918 Jun 199514 Jan 1997Automatic pin-type door lock assembly for hobby cars
US562821613 Jan 199513 May 1997Schlage Lock CompanyLocking device
US563688011 Oct 199510 Jun 1997Milocon CorporationElectronic lock
US567886828 Nov 199521 Oct 1997Electronic door locking mechanism
US585294418 Apr 199729 Dec 1998Stephen C. CohenRemotely controlled door lock
US591576617 Jul 199729 Jun 1999Kendro Laboratory Products GmbHLocking device
US603250028 Dec 19987 Mar 2000Stephen C. CohenKit for retrofitting a door with a security lock system
US658035511 Jun 199917 Jun 2003T.K.M. Unlimited, Inc.Remote door entry system
US65813338 Mar 200124 Jun 2003The Bratton CorporationFrame mounting for prison door lock and method employing same
US717879219 Apr 200220 Feb 2007The First Years Inc.Child safety barriers