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All Patents of Type: lapping machines
Patents 1 - 10 of 10
First set of recordsLast set of records
2,209,071Jul. 23, 1940E.J. BullardGrinding and Lapping Machinelapping machines
2,391,388Dec. 25, 1945E.J. BullardGrinding and Lapping Machinelapping machines
2,480,285Aug. 30, 1949E.J. BullardLapping Machinelapping machines
2,565,590Aug. 28, 1951E.J. BullardLapping Machinelapping machines
GB-772,246Jun. 04, 1953K.L. LindmarkImprovements in and relating to lapping machineslapping machines
2,663,978Dec. 29, 1953K.L. LindmarkLapper for carbide tipped toolslapping machines
RE23,937Feb. 08, 1955B.B. Green, executrix, E.J. Bullard, deceased (estate of)Lapping Machinelapping machines
2,751,723Jun. 26, 1956K.L. LindmarkLapper for carbide tipped toolslapping machines
2,821,818Feb. 04, 1958W.S. Swanson, H.E. McGeeLapping Machine and Automatic Feed Mechanism Thereforlapping machines
2,842,906Jul. 15, 1958R.D. Ryan, L.E. CarterWork Holder for Lapping Machinelapping machines
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