Patents for Aroid H. Elliott


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Patents for Aroid H. Elliott
Patents 1 - 1 of 1
Number	Date	Patentee	Title	Type
147,403	Feb. 10, 1874	G.R. Cullingworth, H.C. Sergeant, A.H. Elliott, S. Ingersoll	Improvement in steam-engines for rock-drills, &c.	mining apparatus