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Patents Granted on 1840-__-__
Patents 1 - 15 of 60
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1,475Jan. 18, 1840C.E. WarnerMachine for turning wooden boxesbox making machines
NS-7Jan. 25, 1840R. CorbetMethod of preventing chimneys from smoking
1,486Feb. 08, 1840S. Morrill, E. MoodySelf-tending sawmillsawmill carriages
1,491Feb. 18, 1840I. StraubPortable grist-millgrist mills
1,493Feb. 18, 1840W.R. Greenleaf, A. ColeMachine for cutting veneersveneer machines
1,522Mar. 25, 1840B.D. Whitney, G.W. LawtonMachine for stretching cloth in the process of fulling
1,527Mar. 31, 1840W. BryantImprovement in Plowsplows
1,553Apr. 15, 1840W. FieldManner of Manufacturing Screw-Augersmaking drills and augers
1,617May 25, 1840G. PageImprovement in seed-planting machines
1,620May 25, 1840A.L. Pennock, J. SellersImprovement in the Clasps of Carpet-Bags
1,647Jun. 20, 1840S.F. MorseElectric telegraphtelegraphy apparatus
1,648Jun. 20, 1840A. Crowell, W.A. CrowellConstruction of Churnschurns
1,649Jun. 20, 1840A. BaileyMortising and tenoning machinemortising machines
1,652Jun. 27, 1840J. HamiltonPit-sawing and slitting machine for sawing logs into lumber and boardsreciprocating sawmills
1,658Jun. 27, 1840Z. Parker, R. McKelveyImprovement in Percussion and Reaction Water Wheelswater wheels
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