Patents for John B. Jacobs


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Patents for John B. Jacobs
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
59,552	Nov. 13, 1866	J. Burt	Improvement in turning-lathes	wood lathes
66,946	Jul. 23, 1867	A.M. Miller, J. Burt	Improvement in Trial Squares	try squares