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Patents for Calvin J. Holman
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
40,837Dec. 08, 1863C.J. HolmanImproved sawing-machinebarrel making machines
51,896Jan. 02, 1866C.J. HolmanImprovement in machines for sawing stavesbarrel making machines
RE2,471Jan. 29, 1867C.J. HolmanImprovement in sawing machinescooper
72,639Dec. 24, 1867C.J. HolmanImprovement in machines for sawing barrel-headingbarrel making machines
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