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Allen Manufacturing Co.

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Allen Manufacturing Co.American, 1910 - 1986

The Allen Manufacturing Company was founded in 1910 by Ira Dimock and William Allen, the inventor of hex-socket screws and implements. The company was located on Sheldon Street in Hartford from the 1910s until it moved to Bloomfield, Connecticut, in 1958. The company was purchased by Chicago Pneumatic Tool (CPT) in 1956. In 1986, the company was dissolved after a hostile takeover of CPT.

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Gift of Lynn Ferrari, 2017.86.118, Connecticut Historical Society, Copyright Undetermined
Allen Manufacturing Co.
1955
Gift of Lynn Ferrari, 2017.86.117, Connecticut Historical Society, Copyright Undetermined
Allen Manufacturing Co.
Inventory photograph, 2019.4.0a-j, Gift of Ted Wagner, Connecticut Historical Society
Allen Manufacturing Co.
1960.159.0 © 2015 The Connecticut Historical Society
Allen Manufacturing Co.
1914
Tool Display Panel
Allen Manufacturing Co.
about 1945