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Patents for J. H. Crawford
Patents 1 - 5 of 5
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  1,257,826Feb. 26, 1918S.R. EmersonSaw Gage
1,275,855Aug. 13, 1918J.L. CoppingMonkey Wrench
1,328,228Jan. 13, 1920A.O. FeilbachTool For Lifting Valve Springs
1,411,911Apr. 04, 1922A. DesbainsTaper Gauge
1,416,694May 23, 1922A.L. De LeeuwGauge
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