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Patents Granted on 1850-06-11
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
7,423Jun. 11, 1850R. CookHydraulic Apparatus for Producing Blast
7,432Jun. 11, 1850J.A. WoodburyMatch Plane with Gouge Cuttermatch planes
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