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All Patents in class 285/342
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
5,357Nov. 06, 1847C.W. Noyes, T.W. AllenPiston-Rod Packingpiston ring and packing
487,829Dec. 13, 1892W.R. EnglandPipe-Couplingauxiliary wrenches
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