Patents for William H. Dyrenforth


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Patents for William H. Dyrenforth
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
268,003	Nov. 28, 1882	T.E. Daniels	Endless-chain mortising-machine	mortising machines
CA-16,769	Apr. 25, 1883	T.E. Daniels	Endless-chain mortising-machine	mortising machines