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All Patents in class 198/671
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,237,334Aug. 21, 1917C.L. HeislerComminuted Fuel Feeding Apparatuslocomotive coal feeding apparatus
2,807,832Oct. 01, 1957B.H. DavisStock feed control for extrusion apparatuswire insulating machines
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