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Patents for Henry Bertram
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	862,437	Aug. 06, 1907	H. Bertram	Lathe
	912,063	Feb. 09, 1909	H. Bertram	Metal-planer
	CA-117,209	Mar. 16, 1909	H. Bertram	Metal planer
	1,055,508	Mar. 11, 1913	H. Bertram	Gapped gear

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