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Patents for William W. Bird
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,010,574Dec. 05, 1911L.W. Rawson, W.W. BirdRaising and lowering mechanismdrill presses
1,064,700Jun. 17, 1913W.W. Bird, L.W. RawsonFeed devicedrill presses
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