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Patents Granted on 1890-09-23
Patents 1 - 9 of 9
First set of recordsLast set of records
NumberDatePatenteeTitleType
436,842Sep. 23, 1890B.E. SawyerParallel Rulertry squares
436,931Sep. 23, 1890D. BestTraction Enginesteam traction engines
436,936Sep. 23, 1890J.W. EisenhuthExplosive Engine
437,029Sep. 23, 1890S. HarrisAxle Machineforging presses
437,047Sep. 23, 1890J.N. SargentVisebench vises
437,067Sep. 23, 1890L.E. WhitonSpeed Changing Mechanism for Lathesmetalworking speed changing mechanisms
437,068Sep. 23, 1890L.E. WhitonSpeed-changing mechanism for lathesmetal lathes
437,102Sep. 23, 1890C.W. DixonWrenchquick adjust wrenches
437,157Sep. 23, 1890H.W. HoneymanTapping attachment for drill presstapping machines
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