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Patents for William M. Ferry
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
113,865Apr. 18, 1871W.M. FerryImprovement in saw-millssawmill carriages
113,866Apr. 18, 1871W.M. FerryImprovement in saw-millssawmill headblocks
139,142May 20, 1873W.M. Ferry, O.H. GronbergImprovement in edging-machinescircular ripsaws
158,693Jan. 12, 1875W.M. FerryImprovement in saw-mill dogssawmill dogs
173,907Feb. 22, 1876J. CollinsImprovement in saw-guides for circular-saw millscircular sawmills
173,927Feb. 22, 1876W.M. FerryImprovement in saw-guides for circular-saw millscircular sawmills
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