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All Patents in class 198/312
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
60,774	Jan. 01, 1867	J. Molyneux	Improved excavator	excavators
1,555,887	Oct. 06, 1925	H.B. Sperry	Ensilage cutter	animal food preparation machinery

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