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Patents for Amos Harrold
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
509,029Nov. 21, 1893A. HarroldSawmill dogging mechanismsawmill dogs
560,129May 12, 1896W.H. Pfrimmer, A. HarroldSteam steering-gear
755,770Mar. 29, 1904A. HarroldTraction-engine wheel
822,449Jun. 05, 1906A. HarroldThe Harrold feedworks mechanism for sawmill carriages
848,548Mar. 26, 1907A. HarroldGuide for sawssawmill accessories
850,644Apr. 16, 1907A. HarroldGear for traction-engines
868,087Oct. 15, 1907A. HarroldCable-feed mechanism for sawmillssawmill feed works
RE12,930Mar. 23, 1909A. HarroldGear for traction-engines
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