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Patents for Thomas P. How
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
RE295Jan. 30, 1855W.M. Booth, C. MonninImprovement in fastening lanterns
20,192May 11, 1858W.A. ClarkMethod of seating the movable cutter in expansive bitsadjustable drill bits
45,455Dec. 13, 1864G. Rowden, C.W. DickinsonImproved Engine Turning Latheornamental lathes
84,698Dec. 08, 1868A. JudsonImproved lathe-chuckmetal lathes
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