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Patents for Margaret A. Dunn
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
559,166Apr. 28, 1896G.H. DerbyFinishing-machinesanding machines
638,958Dec. 12, 1899J.H. CoesWrenchwrench handle components
652,643Jun. 26, 1900E. RivettThread-cutting attachment for lathesmetal lathe accessories
689,325Dec. 17, 1901F.E. SandsPipe Wrenchchain and strap wrenches
942,531Dec. 07, 1909A.C. AmblerSaw-setting machinesaw sharpening machines
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