The Master Lock Company was founded by Harry Soref in 1921 located in Milwaukee, Wiscousin.
If Bank Vault Doors and battle ships were built in laminated layers of steel for greater strength, why not make padlocks the same way? The first Laminated Steel padlock was invented and patented on April 22nd 1924. Master Lock’s laminated padlocks began production in a single room in a small commercial building in Milwaukee, WI. The room consisted of a drill press, grinder, punch press, and five employees.
In 1931 Soref receives a gold medal from the American Association of Master Locksmiths. Harry Soref received the only gold medal ever given by the American Association of Master Locksmiths for the greatest development in locks over the past 50 years.
In 1935 Master Lock introduces its first combination lock, the 1500D
By 1939 Master Lock moved in to its current production facilities located at 2600 N. 32nd Street, Milwaukee, WI.
During World War II Master Lock employees worked around the clock, seven days a week, to meet the high priority war-related orders for Master Lock Padlocks.
In 1967 along with print and radio advertising, Master Lock branched into television. The first commercial, in which a Master Lock padlock foils a bullet fired from a .44 Magnum pistol, was shown in 1967 on the NBC Today show with Hugh Downs, and the Tonight Show with Johnny Carson.
(n 1971 Master Lock introduced its first gun lock, number 90
In 2004 Master Lock moved its corporate headquarters to Oak Creek, Wisconsin, just outside of Milwaukee.
Jan. 24, 2012 — President Obama highlighted Master Lock in his State of the Union address Tuesday night for moving jobs back to the U.S. from China. Since mid-2010, Master Lock has brought back approximately 100 union jobs to its Milwaukee factory. Master Lock currently manufacturers in several locations around the globe.
Location: 137 W. Forest Hill Avenue Oak Creek, WI 53154
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