Patents for George P. Macready


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Patents for George P. Macready
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	1,246,130	Nov. 13, 1917	G.P. Macready	Collapsible spindle
	1,531,489	Mar. 31, 1925	J.R. Bowie, G.P. Macready	Pneumatic drop hammer
	1,531,490	Mar. 31, 1925	W.I. Seymour, G.P. Macready	Pneumatic drop hammer