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Patents Granted on 1850-02-12
Patents 1 - 5 of 5
First set of recordsLast set of records
7,077Feb. 12, 1850S. AndrewsBarrel machinerycooper
7,081Feb. 12, 1850J. DermondArrangement of fliers and spindles
7,083Feb. 12, 1850G. FlauttAuger for boring-machinesdrilling and boring
7,087Feb. 12, 1850N.G. NorcrossPlaning-machinewood planers
7,095Feb. 12, 1850S. West, H. PlumbMachinery for turning umbrella-sticks, &c.wood lathes
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