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Patents Granted on 1928-12-25
Patents 1 - 13 of 13
First set of recordsLast set of records
NumberDatePatenteeTitleType
CA-285,926Dec. 25, 1928G.J. Lindroth, E.A. HallCylinder Honehoning tools
1,696,195Dec. 25, 1928A.F. FroussardCutter Headboring heads
1,696,403Dec. 25, 1928D.C. KlausmeyerAccessible Twin Lever Gear Shift for Drill Headsmetalworking machine mechanisms
1,696,425Dec. 25, 1928D. TurcottAutomatic turning machinepattern lathes
1,696,444Dec. 25, 1928F.A. Haist, E.S. MillerHolder for Socket Wrench setswrench set holders
1,696,452Dec. 25, 1928F.E. RaymondValvesteam safety valves
1,696,468Dec. 25, 1928J.F. BuhrMultiple-spindle drill headmultiple spindle drill presses
1,696,477Dec. 25, 1928G.J. Lindroth, E.A. HallCylinder Honehoning tools
1,696,584Dec. 25, 1928W.G. SchwerSandusky Cutter Adjustmentplane cutter adjustments
1,696,615Dec. 25, 1928P. TrombettaElectromagnetmotor controls
1,696,636Dec. 25, 1928H.L. JohnstonGrinding apparatus
1,696,868Dec. 25, 1928A.D. SkinnerValvesteam engine valves
1,696,882Dec. 25, 1928E.C. HasslerBlowerblowers
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