Patents for Frank Cronin


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Patents for Frank Cronin
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	330,774	Nov. 17, 1885	F. Cronin	Ratcheting Auger Handle
	629,539	Jul. 25, 1899	J. Bertram	Boring and excavating implement
	912,063	Feb. 09, 1909	H. Bertram	Metal-planer
	CA-117,209	Mar. 16, 1909	H. Bertram	Metal planer