All Patents in class 419/4


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All Patents in class 419/4
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	878,463	Feb. 04, 1908	F. Hanaman, A. Just	Process of Manufacturing Incandescent Bodies for Electric Lamps
	1,018,502	Feb. 27, 1912	F. Hanaman, A. Just	Incandescent Bodies for Electric Lamps