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All Patents in class 74/435
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,161,070Nov. 23, 1915H.M. NeerValve Grindervalve grinding tools
1,282,018Oct. 22, 1918F.O. AlbertsonValve Grindervalve grinding tools
2,542,515Feb. 20, 1951T.F. HarveyIntermittent movement mechanismelectric motor making
2,868,032Jan. 13, 1959C.E. MillerIndexing Mechanismmultiple spindle lathes
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