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Patents for Richard Ball
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	17,183	Apr. 28, 1857	M. Marshall	Method of reversing chisels of mortising-machines
	94,668	Sep. 07, 1869	H. Thompson	Improvement in sawing-machine
	2,831,352	Apr. 22, 1958	E.C. Sturgeon, W.T. Elliott, R. Ball	Combustion engine starting assemblies

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