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Patents for John B. Smith
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
10,553Feb. 21, 1854J.B. SmithMachine for slitting clothes-pinsclothespin machines
85,338Dec. 29, 1868J.B. SmithImprovement in machine for making clothes-pinsclothespin machines
144,152Oct. 28, 1873J.B. SmithImprovement in machinery for making clothes-pinswood lathes
CA-3,460May 29, 1874J.B. Smith, J.D. SleeperImprovement on machines for making clothes pins, called "Smith's Clothes Pin Machine"clothespin machines
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