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Patents Granted on 1921-08-30
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
D58,717Aug. 30, 1921G. ConstantinoCobbler's Toolcobbler
1,388,865Aug. 30, 1921A. KimbleVentilated pulleyindustrial machine pulleys and belt drive mechanisms
1,388,875Aug. 30, 1921J.F. MirrieleesFeed mechanism for drilling-machinesdrill presses
1,388,876Aug. 30, 1921J.F. MirrieleesBelt-drive mechanism for drilling-machines and the likedrill presses
1,388,903Aug. 30, 1921F.H. StolpTube Making Machinemetal bending machines
1,389,028Aug. 30, 1921A.L. ColburnDirect Reading Micrometer Calipermicrometers
1,389,103Aug. 30, 1921J. RyanHammerhammers
1,389,565Aug. 30, 1921J. JensenMachine elementmetal punches
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