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Patents for Joseph Ridge
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
GB-179,602,134Aug. 25, 1796J. Ridge, A. WildeMethod of making all kinds of saws and other steel platesmaking sawblades
74,588Feb. 18, 1868B.P. PerryImprovement in head-blocks for saw-millssawmill headblocks
82,073Sep. 15, 1868E. Crawley, T.L. BayliesImproved Visebench vises
132,776Nov. 05, 1872J. RidgeImprovement in Visesvises
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