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Patents for William P. Hayes
Patents 1 - 6 of 6
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
376,235Jan. 10, 1888B.J. CoatesMachine for turning cross-head pins
390,725Oct. 09, 1888G. Van RiperApparatus for forming wooden scoops or shovels
406,322Jul. 02, 1889W.M. WilkinBandsaw mill
456,560Jul. 28, 1891H.H. FullerDrill-press
465,558Dec. 22, 1891W. DittrickPipe Tongs
520,528May 29, 1894E.L. JonesClutch
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