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All Patents in class 277/520
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
403,408May 14, 1889C.E. Baker, T.J. BakerCombined Wrench and Piston Lubricatorwrenches
490,107Jan. 17, 1893R.G. FergusonPackingauxiliary wrenches
1,530,505Mar. 24, 1925A. LevedahlStuffing box
2,605,748Aug. 05, 1952J.E. RasolettiAdjustable abutment for pistonsdrill presses
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