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Patents for D. Saunders' Sons
Patents 1 - 12 of 12
First set of recordsLast set of records
NumberDatePatenteeTitleType
170,119Nov. 16, 1875A. SaundersThreading Die Stocktap wrenches and die stocks
176,694Apr. 25, 1876E. SaundersImprovement in Screw-Cutting Die-Stocksplumber
176,815May 02, 1876A. SaundersPipe Cutterpipe cutters
204,254May 28, 1878A. SaundersImprovement in Chuckspipe and chain vises
234,689Nov. 23, 1880A. SaundersPipe-Cutterplumber
235,902Dec. 28, 1880A. SaundersNipple Chuckchucks
RE10,021Jan. 31, 1882A. SaundersPipe-Cutterplumber
252,903Jan. 31, 1882A. SaundersReamerplumber
265,639Oct. 10, 1882A. SaundersChuckpipe threading machines
368,012Aug. 09, 1887A. SaundersMachine for Cutting Pipes or Rodspipe cutting machines
372,490Nov. 01, 1887A. SaundersMachine for Cutting and Screw Threading Tubes, &c.pipe threading machines
406,857Jul. 09, 1889A. SaundersScrew Cutting Diepipe threading machines
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