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Plomb acquired a number of companies during the 1940s, including Cragin Tool of Chicago, Illinois in 1940, P&C Tool of Oregon in 1941, Penens Tool of Cleveland, Ohio in 1942, and J.P. Danielson of Jamestown, New York in 1947. [2] Penens Tool would produce tools under the Fleet and Challenger brand names after its acquisition. [3]
Harry Soref founded the Master Lock Company in 1921 and patented an improved padlock in 1924 with a patent lock casing constructed out of laminated steel. Linus Yale Sr. invented a pin tumbler lock in 1848. Linus Yale Jr. improved upon his father's lock in 1861, using a smaller, flat key with serrated edges that is the basis of modern pin ...
By 1935, Milwaukee Electric Tool Corporation developed a lightweight 3/4" electric hammer drill. This power tool was designed to drill and sink anchors into concrete. This drill could also be converted into a standard 3/4" drill. Milwaukee also designed an easy-to-handle, single-horsepower sander/grinder that weighed only 15 pounds. [7]
Frederick S. Holmes was an American safe and vault engineer, [1] and inventor who designed the largest vaults in the world. During his career, Holmes designed over 200 vaults throughout the United States, Canada and Japan from 1895 [2] to 1941.
Chicago Lock Co. is a lock manufacturer, founded in Chicago in 1920. Since 1933, it has sold a tubular pin tumbler lock marketed under the registered trademark "Ace." Millions of Ace locks have been sold; for instance, these locks are used in Northwestern Corporation 's Triple Play bulk vending machine.
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During this time, Federal Electric came under the ownership of Commonwealth Edison, eventually becoming a part of the utility empire of Samuel Insull. [ 2 ] By the 1950s, the company was manufacturing outdoor warning sirens, most notably the Thunderbolt series, primarily intended for warning of air raid attacks or fallout during the Cold War. [ 3 ]
Newark markets and distributes electronic components and test equipment for engineers and maintenance professionals throughout the US, Canada and Mexico.Products include connectors, relays, switches, semiconductors, sensors, test equipment and tools from companies including Texas Instruments, 3M, Belden, Freescale and Honeywell, among others.