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Patents for Dann Brothers & Co.
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
63,997Apr. 23, 1867J.A. DannImprovement in wood-bending machineswood bending machines
383,711May 29, 1888J.A. DannPaneling-machinepanel raising machines
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