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Patents for Leander S. Heald
Patents 1 - 6 of 6
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  330,112Nov. 10, 1885L.S. HealdHay Tedder
386,921Jul. 31, 1888L.S. HealdTedder
547,991Oct. 15, 1895L.S. Heald, J.N. HealdWoodworking-machine
567,135Sep. 08, 1896L.S. HealdRotary cutter
630,536Aug. 08, 1899L.S. Heald, J.N. HealdDrill-grinding machine
734,863Jul. 28, 1903L.S. Heald, J.N. HealdSash-trimming machine
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