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All Patents in class 7/101
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
15,073Jun. 10, 1856W. HartCombination Hand Vise and Caliperscalipers
RE9,310Jul. 20, 1880J.S. BirchImprovement in an Adjustable Holding Device and Watch-Keyself-adjust wrenches
251,182Dec. 20, 1881O.W. BullockTweezers
251,183Dec. 20, 1881O.W. BullockCombination watch-hand remover and case-opener
428,193May 20, 1890G.B. WiddifieldImprovements in Combined Calipers and Balance-Wheel Truing-Plierspliers
505,835Oct. 03, 1893C.H. Laird, H.M. KulpWatchmaker's Plierspliers
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