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Patents Granted on 1808-04-??
Patents 1 - 15 of 23
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NumberDatePatenteeTitleType
844XApr. 06, 1808J. PondrellEconomical furnace or stovestoves
845XApr. 11, 1808T. CohoonCross cut sawcrosscut saws
846XApr. 12, 1808R. KilbornMode of lessening friction in carriagescarriage maker
847XApr. 12, 1808E. WarnerCheese presscheese press
848XApr. 13, 1808T. CohoonMachine for breaking and swingling hempflax and hemp machines
849XApr. 14, 1808T. CohoonScrew press
850XApr. 14, 1808I. IvesFaucets for drawing liquors from casks
851XApr. 18, 1808W. CoolidgeMachine for smoothing and polishing paperpolishing and buffing machinery
852XApr. 20, 1808G. Harris, S. FrothinghamStripping alum dressed leather for shoe bindingleatherworker
853XApr. 21, 1808J. FairbanksCylindric rolling millsrolling mills
854XApr. 22, 1808D. PierpontChurnchurns
855XApr. 23, 1808T. CruttendenSpinning wheelspinner
856XApr. 23, 1808R. PitkinManufacturing hats, cloths, etc. without bowing from a fleece or sheet taken from a carding enginecloth carding machines
857XApr. 25, 1808A. ReedChurnchurns
858XApr. 25, 1808D. CobbCarriages for field artillery
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