All Patents in class 234/80


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All Patents in class 234/80
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
304,864	Sep. 09, 1884	V. Royle, J. Royle, Jr.	Machine for repeating pattern-cards
3,122,310	Feb. 25, 1964	H.F. Meyer	Programmer