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All Patents in class 74/597
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	232,739	Sep. 28, 1880	J.F. Marks	Traction Engine
	1,428,847	Sep. 12, 1922	F.W. Parsons, F.A. Jimerson	Built-up crank shaft
	1,431,415	Oct. 10, 1922	F.W. Parsons, F.A. Jimerson	Built-up crank shaft
	1,431,416	Oct. 10, 1922	F.W. Parsons, F.A. Jimerson	Built-up crank shaft

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