I picked up a Dreadnaught wrench on Friday. Marked on one side DREADNAUGHT, 1/4 & 5/16 USS, 5/16 OC. The other side CHROME-MOLYBDENUM, 1025, MCKINNON, Made in Canada.
Gray tools lists a Dreadnaught adjustable in their 1941 catalogue. The response to an e-mail to them indicated that they had no knowledge of having made any Dreadnaught tools other than the adjustables.
Was Dreadnaught a house brand for someone who jobbed out manufacture to several manufacturers? At this time I am only aware of adjustables and open end wrenches with the Dreadnaught name. Does anyone have knowledge of other tools?
Mckinnon Industries bought the Canadian operations of J. H. Williams Co. of Buffalo NY in 1925. Williams was listed as Manufacturing wrenches, hammers and small tools in St Catherines Ontario at the time of purchase.
Mckinnon was an automotive supplier to GM among others. It was bought in 1929 by GM and operated as a subsiduary until 1969.
I don't recall seeing any other Mckinnon tools.