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All Patents in class 238/131
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
74X	Mar. 23, 1794	J.O. Peerson	Machine for Cutting Nails	nail making machines
6,715X	Aug. 23, 1831	J. Stimpson	Rails or Plates for Railroad Carriage Wheels	track and switches
RX-23	Aug. 26, 1840	J. Stimpson	Improvement in the mode of Forming and Using Cast or Wought Iron Plates or Rails for Railroad-Carriage Wheels to run upon	track and switches

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