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All Patents of Type: sap collecting apparatus
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
2,850XOct. 04, 1817J. PurdySap bucketsap collecting apparatus
39,155Jul. 07, 1863G.R. Boynton, J.M. Le CountMaking Sap-Spilessap collecting apparatus
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