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Patents for Henry R. Johnson
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	749,606	Jan. 12, 1904	H. Bilgram	Gear-cutting machine
	1,187,295	Jun. 13, 1916	L. Fischer, H. Bilgram, C. Feddern	Stamp applying and affixing machine

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