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Patents Granted on 1840-06-__
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
NS-8Jun. 13, 1840R.H. Smith, T. SmithMachine for blowing blacksmiths' bellows by water powerforge bellows
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
1,659Jun. 27, 1840H.W. HewetScrew Wrenchnut wrenches
1,663Jun. 27, 1840J. HamiltonMachine for sawing or cutting snagsreciprocating saws
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