Original Invention Patent US Office 1940 SB Winn Tractor Trailer Fifth Wheel

Description

This is a patent for a fifth wheel patent number 2213424. Patent was applied for February 7, 1938 and was awarded September 3, 1940.
This is an original copy of the patent issued to Sidney B Winn of Lapeer Michigan.
Biography:  Sidney Winn established the Lapeer Tractor- Truck Company in 1917.  He opened a small factory in Lapeer and began producing a 5-ton vehicle ?powered by a 4-cylinder Wisconsin engined coupled to a heavy-duty threespeed transmission equipped with a Torbenson internal gear drive.?
In 1920 Winn's outfit was reorganized as the Lapeer Trailer Company. He was now building trailers that featured the unique coupling system he had designed and patented, and built into his truck tractors. This same year, Winn licensed his fifth wheel system to Fruehauf Trailer Co. of Detroit.
Pages measure 8" x 11½".
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