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Patents for John Benes Jr.
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	2,537,225	Jan. 09, 1951	J. Benes, Jr., G. Lewin	Photoelectric tube and method of manufacture
	2,627,044	Jan. 27, 1953	J. Benes, Jr.	Cathode for photocells

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