William E Rosel received design patent number D53,641 on July 22, 1919. The patent is for a multi tool largely intended for ignition service on a Model T. The tool has 2 spark plug sockets, a screw driver, alligator wrench, and a feeler gauge. Wm E Rosel & Company was formed in Columbus, Ohio to market the tool. The wrench has at least 2 variations. One has the patent date and one has pat pend.
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