Patents for C. R. Rosborough


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Patents for C. R. Rosborough
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
925,491	Jun. 22, 1909	G.S. Lowe	Machine for severing stay-bolts	boiler repair tools
1,108,954	Sep. 01, 1914	A.L. Warner	Crank Shaft Forging Apparatus	forging dies