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Patents for Guy C. Humphries
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
4,525May 16, 1846A.W. GrayWrought-nail machinery
4,983Feb. 27, 1847J. Powell, N. Barlow, E. HoldenMachine for planing, tonguing and groovingwood planers
5,334Oct. 16, 1847A. CaldwellImprovement in cutter-heads for planing-machinescutters
5,578May 16, 1848B. EdwardsCorn Shellercorn shellers
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