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All Patents in class 72/339
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	213,766	Apr. 01, 1879	D. Maydole	Mode of Forging Hammers
	300,445	Jun. 17, 1884	L. Chapman	Manufacture of Wrench Forgings
	1,385,976	Jul. 26, 1921	E. Walker	Method of making crown-openers

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