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Patents for Charles Sommer
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
89,178Apr. 20, 1869C. SommerImprovement in sawmillscircular sawmills
349,323Sep. 21, 1886C. SommerStave-dressing machinebarrel making machines
410,994Sep. 10, 1889C. SommerStave-dressing machinebarrel making machines
501,697Jul. 18, 1893C. SommerStave-bending machinecooper
504,461Sep. 05, 1893C. SommerMachine for dressing bucked stavesbarrel making machines
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