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Patents for John Ryan
Patents 1 - 8 of 8
First set of recordsLast set of records
5,226XSep. 10, 1828J. Ryan, J.W. PostAmerican thrashing machinemiller
339,813Apr. 13, 1886P. Ryan, J. RyanWrenchwrench handle components
373,786Nov. 22, 1887J. RyanBand-saw guidebandsaw guides
447,163Feb. 24, 1891J. RyanScrew Wrenchscrew adjust wrenches
461,714Oct. 20, 1891J. RyanPipe Wrenchpipe wrenches
476,079May 31, 1892J. RyanWrenchwrench handle components
482,198Sep. 06, 1892J. RyanImprovement in Pipe-Wrenchesquick adjust wrenches
1,389,103Aug. 30, 1921J. RyanHammerhammers
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