Patents for R. B. Bishop


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Patents for R. B. Bishop
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	61,728	Feb. 05, 1867	T.A. Goff	Improvement in pistons for steam engines
	78,733	Jun. 09, 1868	T.A. Goff	Improved apparatus for turning wrist-pins, crank-pins, &c.