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Patents Granted on 1920-08-17
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,349,612Aug. 17, 1920F.O. Jaques, Sr.Micrometer Calipermicrometers
1,349,630Aug. 17, 1920C.H. SheasleyStarting Port for Valveless Two-Cycle Internal Combustion Engines
1,349,884Aug. 17, 1920F.H. HopkinsDiaphragm Gagevacuum and pressure gauges
1,349,939Aug. 17, 1920W. BlackerMechanical or Power Actuated Hammerpower hammers
1,350,185Aug. 17, 1920T. ShawMicrometer Gagemicrometers
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