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Patents Granted on 1873-01-21
Patents 1 - 12 of 12
First set of recordsLast set of records
134,976Jan. 21, 1873W.A. CampbellImprovement in circular-saw mills
134,982Jan. 21, 1873T.S. DisstonImprovement in Cork-Cutting Machines
135,038Jan. 21, 1873R. HueblerImprovement in machines for finishing wooden heels for shoesshoemaking
135,046Jan. 21, 1873A.S. RobertsonImprovements in Molding-Planescombination planes
135,064Jan. 21, 1873G.A. Barnes, E.F. BarnesMetal Turning Lathesmetal lathes
135,073Jan. 21, 1873H.C. BradfordImprovement in crank movementsmetal planers
135,084Jan. 21, 1873E.A. CooperWrenchnut wrenches
135,099Jan. 21, 1873W.H. Doane, W.H. DobsonImprovement in scroll-sawsscrollsaws
135,128Jan. 21, 1873D.W. KelloggTraction or Portable-Enginessteam traction engines
135,164Jan. 21, 1873H. SillmanImprovement in band-saw gangs
135,182Jan. 21, 1873W. WalkingtonCutter Holders for Planing Machinesmetal planer tool holders
135,191Jan. 21, 1873J. WoolridgeImprovement in land-rollersagricultural machines
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