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Patents for John R. Williamson
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	36,746	Oct. 21, 1862	S. Forsythe, J.R. Williamson	Improvement in sawing-machines
	36,748	Oct. 21, 1862	J. Richards, J.R. Williamson	Improvement in saw-gears

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