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Originally named Allen Manufacturing Company, the business produced hexagonal set screws and wrenches to fasten them. The terms "Allen wrench" (American English) and "Allen key" (British English) are derived from the Allen brand name and refer to the generic product category "hex keys".
In 1909–1910, William G. Allen also patented a method of cold-forming screw heads around a hexagonal die (U.S. patent 960,244). Published advertisements for the "Allen safety set screw" by the Allen Manufacturing Company of Hartford, Connecticut, exist from 1910.
The Colt Armory is a historic factory complex for the manufacture of firearms, created by Samuel Colt. It is located in Hartford, Connecticut along the Connecticut River, and as of 2008 is part of the Coltsville Historic District, [2] named a National Historic Landmark District. [3]
Hartford was a major manufacturing city from the 19th century until the mid-20th century. During the Industrial Revolution into the mid-20th century, the Connecticut River Valley cities produced many major precision manufacturing innovations. Among these was Hartford's pioneer bicycle and automobile maker Pope.
Meriden (/ ˈ m ɛər ə d ɪ n / MAIR-ə-din) is a city in New Haven County, Connecticut, United States, located halfway between the regional cities of New Haven and Hartford. The city is part of the South Central Connecticut Planning Region .
Colt's Manufacturing Company, LLC (CMC, formerly Colt's Patent Firearms Manufacturing Company) is an American firearms manufacturer, founded in 1855 by Samuel Colt and now a subsidiary of Czech holding company Colt CZ Group. It is the successor corporation to Colt's earlier firearms-making efforts, which started in 1836.
ITT Inc., formerly ITT Corporation, is an American worldwide manufacturing company based in Stamford, Connecticut. The company produces specialty components for the aerospace, transportation, energy and industrial markets.
This category has the following 5 subcategories, out of 5 total. Manufacturing companies based in Hartford, Connecticut (1 C, 7 P)
Colt's Manufacturing Company (2 C, 14 P) Pages in category "Manufacturing companies based in Hartford, Connecticut" The following 7 pages are in this category, out of 7 total.
Pages in category "Companies based in Hartford, Connecticut". The following 15 pages are in this category, out of 15 total. This list may not reflect recent changes .