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This series would ultimately culminate in U.S. patent 1,674,841, filed in 1923, [8] which was sold commercially as the Schlage "A" series lock. [3] Schlage would later make a 1925 filing for a push button cylindrical lock fusing the two 1920 patents with the 1923 patent. [9] Schlage's first shop was at 229 Minna Street, [10] and he moved to 461 ...
His first patent was in 1909, inventing a door lock that turned lights on and off. [1] At the time, Schlage was a citizen of Germany residing in Berkeley, California. [2] In 1919, Schlage patented a door knob which, when pushed up, locked the door. [3] [4] This was succeeded by a door knob incorporating a push-button lock, patented in 1924. [5]
Allegion plc is an American Irish-domiciled provider of security products for homes and businesses. Though it comprises thirty-one global brands, including CISA , Interflex, LCN, Schlage and Von Duprin, the company operates through two main sections: Allegion International and Allegion Americas. [ 2 ]
In British, Australian, French, and Swiss railway signalling, an Annett's key is a form of trapped-key interlocking that locks levers or other items of signalling apparatus, thereby serving as a portable form of interlocking. The purpose is to prevent access from sidings to the running line without authority. [1]
Allegion; Metadata. This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
It was the first deployment into a combat zone for the North Dakota Air National Guard. The squadron transported more than 400 service members during their two-month-long rotation in theater. They accomplished this by flying more than 200 sorties during 90 missions, as part of the 379th Expeditionary Operations Group.