Patents for George B. Grant


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Patents for George B. Grant
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
334,770	Jan. 26, 1886	G.B. Grant	Micrometer Gage	micrometers
407,437	Jul. 23, 1889	G.B. Grant	Machine for Planing Gear Teeth	gear making machines