Patents Granted on 1830-10-09


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Patents Granted on 1830-10-09
Patents 1 - 1 of 1
Number	Date	Patentee	Title	Type
6,184X	Oct. 09, 1830	S. Couillard, Jr.	Wiping and polishing the exterior surface of punched, etched, or engraved plates	polishing machines