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Patents for Cornelius W. Graham
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
416,500Dec. 03, 1889R.J. RobbinsPipe Wrenchpipe wrenches
GB-188,919,421Dec. 03, 1889E.T. Smith, C.W. Graham, R.J. Robbins, H.H. LakePipe Wrenchespipe tongs
CA-33,192Dec. 19, 1889E.T. Smith, C.W. Graham, R.J. RobbinsPipe Wrenchpipe tongs
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