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Patents Granted on 1922-09-05
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,427,783Sep. 05, 1922J. BurkeAir-cooled transformertransformers
1,428,002Sep. 05, 1922J.F. BuhrDrill Head for Drilling Machinesdrill press accessories
1,428,075Sep. 05, 1922D. BreckenridgeThread Cutting Tool and Holder Thereforlathe tools
1,428,342Sep. 05, 1922J.D. NiesBrush mountingmotor brush holders
1,428,402Sep. 05, 1922G.F. SteedmanReciprocating Pump or Compressorreciprocating pumps
1,428,422Sep. 05, 1922B.N. DudukianMicrometer-Adjust Caliperscalipers
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