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Patents for William Douglas Westman
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	CA-4,825	Jun. 05, 1875	W.D. Westman	Improvements on scroll saw
	CA-6,943	Jan. 09, 1877	W.D. Westman	Improvement on first and intermediate drivers
	CA-13,814	Dec. 13, 1881	W.D. Westman	Improvement on first and intermediate drivers

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