Loring Coes (April 22, 1812 – July 13, 1906) was an American inventor, industrialist and Republican politician who invented the screw type wrench, commonly known as the Monkey wrench and who served as a member of the Worcester, Massachusetts City Council and Board of Aldermen, and as a member of the Massachusetts House of Representatives in 1864–1865.
Author: Source: The New England States, their Constitutional, Judicial, Educational, Commercial, Professional, and Industrial History, by William T. Davies (1897) Source: Source: The New England States, their Constitutional, Judicial, Educational, Commercial, Professional, and Industrial History, by William T. Davies (1897) License: PD US