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All Patents in class 74/425.5
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
398,593Feb. 26, 1889W. EllisMachinery for Cutting Wood for Matches Splints and Match Boxesmatch making machines
425,781Apr. 15, 1890W.D. Graves, Jr.Knife-grinding machinesharpening machines
465,003Dec. 15, 1891A.W. SternkeMechanical Movementtraction engine propulsion components
479,832Aug. 02, 1892P.T. NeumannTraction Enginetraction engine propulsion components
912,609Feb. 16, 1909J.R. PerrineLathe-feed mechanismengine lathes
1,216,775Feb. 20, 1917C.M. ConradsonVariable Speed Gearingengine lathes
1,325,366Dec. 16, 1919J.C. McLachlan, J. RuckstinatTractortractors
2,195,911Apr. 02, 1940W.F. ZimmermannSelective Worm Gear Table Drivegear hobbing machines
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