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Patents for Roy B. Dow
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	1,040,905	Oct. 08, 1912	R.B. Dow	Saw forming and sharpening machine
	1,221,844	Apr. 10, 1917	R.B. Dow	Combined Shaping and Miling Machinery

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