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All Patents in class 403/301
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
306,690Oct. 14, 1884R.D. JohnsonBit-stock (chuck)
965,664Jul. 26, 1910T.E. StevensonBung-Hole Borer/Reamertapered reamers
1,285,693Nov. 26, 1918F. HardingeCarriage feed mechanism for lathesmetal lathes
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