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Patents for Alfred M. Harrison
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
737,619	Sep. 01, 1903	A.M. Harrison	Shaft Connecting Device for Change Gears	metalworking speed changing mechanisms
741,789	Oct. 20, 1903	A.M. Harrison	Shaft Connecting Device for Change Gears	metalworking speed changing mechanisms

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