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Patents for Ira E. Hobson
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
153,033Jul. 14, 1874J. Hobson, I.E. Hobson, C. AlbertsonImprovement in machines for cutting locks in hoopshoop making machines
153,996Aug. 11, 1874J. Hobson, I.E. Hobson, C. AlbertsonImprovement in stave-machinesbarrel making machines
192,695Jul. 03, 1877J.H. HobsonImprovement in guide-pulleys for band-sawsbandsaw guides
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