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Patents for Christopher Hodgkins
Patents 1 - 7 of 7
First set of recordsLast set of records
NumberDatePatenteeTitleType
9,365Nov. 02, 1852C. HodgkinsImprovement in sewing-machinessewing machines
10,622Mar. 07, 1854C. HodgkinsImprovement in sewing-machinessewing machines
10,879May 09, 1854C. HodgkinsImprovement in sewing-machinessewing machines
33,085Aug. 20, 1861C. HodgkinsImprovement in sewing-machinessewing machines
69,666Oct. 08, 1867C. HodgkinsImprovement in sewing machinessewing machines
119,764Oct. 10, 1871C. HodgkinsImprovement in water-ramshydraulic pumps
133,368Nov. 26, 1872C. HodgkinsImprovement in water-ramshydraulic pumps
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