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Patents for Edward Colson
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
55,117May 29, 1866J. King, Jr.Improvement in bent-lever scalesscales and balances
89,559May 04, 1869E. ColsonImprovement in saw-teethsaw teeth
96,674Nov. 09, 1869E. ColsonImprovement in saw-teethsaw teeth
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