All Patents in class 419/4


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