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All Patents in class 112/131
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
27,179Feb. 14, 1860C.D. WheelerImprovement in Marking Gages for Sewing Machinesspecial purpose gauges
152,948Jul. 14, 1874F. HenryImprovement in Tuck Markers
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