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John Vernon Pugh
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17,256. Pugh, J. V. July 27. Drawings to Specification. Making pistons. -Trunk pistons for internalcombustion motors &c. are formed of thin metal by stamping, pressing, spinning, &c., and are strengthened by braces, welded, riveted, or otherwise secured to them, which are also formed by pressing &c.
GB190717256D1907-07-271907-07-27Improvements in and relating to Motor and other Pistons.
ExpiredGB190717256A
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