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All Patents in class 72/373
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
46,401Feb. 14, 1865E.C. StilesMilling Machinemilling machines
112,255Feb. 28, 1871W.A. IvesImprovement in Methods of Forming Spur Lips of Auger Bits
623,384Apr. 18, 1899E. RogersAxe/Hatchet Makingmaking axes
960,244Jun. 07, 1910W.G. AllenManufacture of Screws
1,838,470Dec. 29, 1931F.J. VlchekManufacture of Swaged and Tempered Articlesmetalworking machines
2,100,564Nov. 30, 1937E.M. Pfauser, S. MandlMethod of Producung a Pulling Strees and Hydraulic Pulling Mechanism
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