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Patents for James Green Hirst
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	GB-187,403,234	Sep. 21, 1874	J. Green, J.G. Hirst	Improvements in morticing machines
	GB-187,701,862	May 12, 1877	J. Green, J.G. Hirst	Improved floor cramp
	GB-187,904,327	Oct. 23, 1879	J.G. Hirst	Mortising and boring machines

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