Patents for Charles B. Houghton


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Patents for Charles B. Houghton
Patents 1 - 1 of 1
Number	Date	Patentee	Title	Type
495,239	Apr. 11, 1893	C.B. Houghton, J.R. Bate, S.H. Shadbolt, G.R. Houghton	Machine for cutting excelsior	excelsior machines