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Patents Granted on 1872-02-20
Patents 1 - 10 of 10
First set of recordsLast set of records
NumberDatePatenteeTitleType
RE4,763Feb. 20, 1872J.P. GrosvenorImprovement in circular-saw millstablesaws
RE4,764Feb. 20, 1872D. LaneImprovement in head-blocks for saw-millssawmill headblocks
123,758Feb. 20, 1872A. AdamsImprovement in Corn Shellersmiller
123,774Feb. 20, 1872L.R. FaughtImprovement in horse-powersanimal powered apparatus
123,790Feb. 20, 1872J.P. Cooley, S. NobleImprovement in toothpick machinestoothpick making machines
123,791Feb. 20, 1872W.H. Hull, C. PaxtonImprovement in Leveling Jacks for Billiard Tableswrenches
123,800Feb. 20, 1872A. van VleckImprovement in cutter-headscutterheads
123,872Feb. 20, 1872T.L. Baylies, E. CrawleyBench Vise bench vises
123,886Feb. 20, 1872W. Gardam, J. GardamImprovement in drilling-machinesdrilling and boring
123,888Feb. 20, 1872J.D. GernezImprovement in Sand Paper Holders
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