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Patents for C. F. Richardson
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
239,072	Mar. 22, 1881	F.J. Thomas	Spring-Calipers	calipers
306,429	Oct. 14, 1884	H.M. Rich	Inclinometer	inclinometers
368,308	Aug. 16, 1887	C.F. Richardson	Surveyor's transit	surveying apparatus

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