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Patents for John Parker
Patents 16 - 29 of 29
First set of recordsPrevious set of recordsLast set of records
NumberDatePatenteeTitleType
642,711Feb. 06, 1900J. ParkerMilling Machinemilling machines
642,712Feb. 06, 1900J. ParkerHigh Speed Attachment for Milling Machinesmilling machine accessories
718,514Jan. 13, 1903J. ParkerFeed-tripping mechanismmilling machines
750,485Jan. 26, 1904J. ParkerGear Cutting Machinegear making machines
794,464Jul. 11, 1905J. ParkerVariable-speed mechanismmilling machines
806,910Dec. 12, 1905J. ParkerMilling-machinemilling machines
851,831Apr. 30, 1907J. ParkerIndex Headindexers and dividers
855,068May 28, 1907J. ParkerGearingmilling machines
963,935Jul. 12, 1910J. ParkerCutter-holding device for milling-machinesmilling machines
1,032,698Jul. 16, 1912J. ParkerMeans of manually rotating a machine spindlemetalworking machine mechanisms
1,170,097Feb. 01, 1916J. ParkerSpeed changing and reversing mechanismmetalworking machine mechanisms
1,196,882Sep. 05, 1916J. ParkerVariable-speed gearingmetalworking machine mechanisms
1,196,883Sep. 05, 1916J. ParkerVariable-speed mechanismmetalworking machine mechanisms
1,295,363Feb. 25, 1919J. ParkerIndexing Center
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