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Patents Granted on 1881-10-25
Patents 1 - 10 of 10
First set of recordsLast set of records
NumberDatePatenteeTitleType
248,587Oct. 25, 1881W. GrayDevice for Throwing Belts Onto or Off From Revolving Pulleysbelt shifters
248,588Oct. 25, 1881J.P. HaighPipe-Wrench or Cylinder-Wrenchpipe wrenches
248,598Oct. 25, 1881P. MedartBelt Pulleyindustrial machine pulleys and belt drive mechanisms
248,599Oct. 25, 1881P. MedartManufacture of Belt Pulleysindustrial machine pulleys and belt drive mechanisms
248,686Oct. 25, 1881W.A. AllenMachine for sawing kindling-woodfirewood machines
248,728Oct. 25, 1881H.F. FrisbiePuppet Valvesteam engine valves
248,729Oct. 25, 1881H.F. FrisbiePuppet Valvesteam engine valves
248,744Oct. 25, 1881B. HolmesMachine for grinding steel barsgrinding machines
248,761Oct. 25, 1881A. KriegerInsertible saw-toothinsertible saw teeth
248,823Oct. 25, 1881W.A. WrightGuide for sawing-machineswoodworking machine stockfeeding mechanisms
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