Patents for Henry J. Durgin


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Patents for Henry J. Durgin
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
284,193	Sep. 04, 1883	H.J. Durgin	Spiral-beading machine	routing machines
311,822	Feb. 03, 1885	H.J. Durgin	Table-rail tenoning and grooving machine	dado machines