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Patents for Colytt Laboratories
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
1,081,700	Dec. 16, 1913	F.W. Riesenberg	Wrench	chain and strap wrenches
1,174,764	Mar. 07, 1916	F.R. Riesenberg	Wrench	chain and strap wrenches

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