Patents for Samuel R. Thompson


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Patents for Samuel R. Thompson
Patents 1 - 4 of 4
Number	Date	Patentee	Title	Type
153,492	Jul. 28, 1874	J. Moulton	Improvement in machines for grinding and rossing bark	bark processing machines
176,709	Apr. 25, 1876	S.R. Thompson	Improvement in machines for rossing and grinding bark	bark processing machines
RE7,264	Aug. 15, 1876	S.R. Thompson	Improvement in machines for rossing and grinding bark	bark processing machines
200,361	Feb. 12, 1878	S.R. Thompson	Improvement in bark-cutting machines	bark processing machines