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Patents for Joseph A. Howland
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
147,921Feb. 24, 1874J.P. FayImprovement in Tool-Grinding Machinessharpening machines
149,020Mar. 24, 1874A. WoodMetal Shaft Turning Lathesshaft turning lathes
151,912Jun. 09, 1874F.E. ReedImprovement in Metal-Drilling Machinesdrill presses
151,948Jun. 09, 1874J.F. Light, A. WoodImprovement in devices for transmitting motiondrill presses
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