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Patents for Edward F. Hall
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
6,951Dec. 18, 1849T. BlanchardBending woodwood bending machines
19,541Mar. 09, 1858T. BlanchardMill for reducing substances
20,137May 04, 1858T. BlanchardMachine for bending woodwood bending machines
103,926Jun. 07, 1870H.K. PorterImprovement in caliperscalipers
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