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All Patents in class 33/501.4
Patents 1 - 15 of 32
First set of recordsNext set of recordsLast set of records
NumberDatePatenteeTitleType
211,975Feb. 04, 1879G.W. DickinsonMicrometer Screw Gagemicrometers
527,651Oct. 16, 1894J. BathCalipersmeasurement gauges
675,875Jun. 04, 1901F. UllmerMicrometerindicating calipers
903,484Nov. 10, 1908A.S. Lane, S. KenleyMeasuring Instrumentmeasurement gauges
1,257,483Feb. 26, 1918K.J. Almfelt, A. HartMeasuring Indicator or Gaugemeasurement gauges
1,507,272Sep. 02, 1924E. BuckinghamInternal Expansion Gaugemeasurement gauges
1,561,630Nov. 17, 1925R.A. WilsonMicrometer Calipersmicrometers
1,631,019May 31, 1927P.J. DarlingtonMicrometer Calipersmicrometers
1,652,854Dec. 13, 1927P.J. DarlingtonMicrometer Calipermicrometers
1,664,583Apr. 03, 1928E.O. WheelockSnap Gagespecial purpose gauges
1,740,695Dec. 24, 1929C.E. JohanssonGaugeinside micrometers
1,810,710Jun. 16, 1931C.E. JohanssonGaugeinside micrometers
1,821,398Sep. 01, 1931R.J. SimpsonMicrometer Calipersmicrometers
1,892,969Jan. 03, 1933J.N. SchneiderIndicator Snap Gaugemeasurement gauges
1,972,124Sep. 04, 1934A.H. Emery, E.H. AldeborghIndicating Limit Plug Gaugeplug gauges
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