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Patents for James H. Layman
Patents 61 - 75 of 92
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NumberDatePatenteeTitleType
151,106May 19, 1874W.P. McKee, W.H. DoaneImprovement in band sawing machinesbandsaws
152,371Jun. 23, 1874J.L. Haven, G.H. KnightImprovement in furniture-fasteningsfurniture hardware
157,309Dec. 01, 1874G.W. BugbeeImprovement in mortising-machinesmortising machines
D8,396Jun. 15, 1875H.L. FryDesign for a chain-pump curb
D8,397Jun. 15, 1875H.L. FryDesign for a chain-pump curb
188,154Mar. 06, 1877W.D. Leavitt, B.J. ThurstonImprovement in gas and water regulators
212,409Feb. 18, 1879J.J. SpilkerImprovement in miter-machinesmiter machines
220,626Oct. 14, 1879W.D. LeavittImprovement in machines for manufacturing flourgrist mills
233,159Oct. 12, 1880J.B. MooneySteamboat-stagingnautical
233,160Oct. 12, 1880J.B. MooneySteamboat-stagingnautical
240,912May 03, 1881W.D. LeavittBaling-presshay or straw binders
242,468Jun. 07, 1881J. MillsHub-lathewood lathes
259,012Jun. 06, 1882H. HeynsCutter-headcutterheads
271,043Jan. 23, 1883J.H. DavisImprovements in Methods of Manufacturing Cast Jointed Toolspliers
283,779Aug. 28, 1883J.L. HavenTobacco-cuttertobacco machinery
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