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Patents for H. A. Chapin
Patents 1 - 15 of 32
First set of recordsNext set of recordsLast set of records
212,986Mar. 04, 1879L.C. RodierFaucet Handle Depth Adjusterplane cutter adjustments
251,182Dec. 20, 1881O.W. BullockTweezers
251,200Dec. 20, 1881C.P. FayCaliperscalipers
264,339Sep. 12, 1882J.A. ReeceBeam Calipersmeasurement gauges
264,341Sep. 12, 1882F.B. RichardsCombination Toolbevel squares
282,966Aug. 14, 1883E. Smith, J. DuckworthCombined Protractor, Square, and Bevelbevels
286,097Oct. 02, 1883W. WassungMiter-boxmiter boxes
286,543Oct. 09, 1883A. HydeWrenchwrench adjustment locks
317,923May 12, 1885A. CallWrenchpipe and nut combination wrenches
317,924May 12, 1885A. CallWrenchpipe and nut combination wrenches
319,215Jun. 02, 1885C.P. FaySpring Calipersgauges
335,740Feb. 09, 1886J.H. BullardCaliperscalipers
363,709May 24, 1887A.E. WhitmoreMicrometer-Gagemeasurement gauges
394,422Dec. 11, 1888D.B. WessonProcess of forming dovetail slots in wooddovetailing machines
394,423Dec. 11, 1888D.B. WessonProcess of forming dovetails in wooddovetailing machines
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