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Patents for John E. Poorman
Patents 1 - 10 of 13
Picture	Number	Date	Patentee	Title
	2,047,222	Jul. 14, 1936	J.E. Poorman	Tool Holder
	2,188,917	Feb. 06, 1940	J.E. Poorman	Tool Post
	2,206,047	Jul. 02, 1940	J.E. Poorman	Tap and Die Holder
	2,309,668	Feb. 02, 1943	J.E. Poorman	Grinding Machine
	2,309,669	Feb. 02, 1943	J.E. Poorman	Grinding Machine
	2,343,577	Mar. 07, 1944	J.E. Poorman	Grinding Machine
	2,384,044	Sep. 04, 1945	J.E. Poorman	Reversing Mechanism
	2,579,611	Dec. 25, 1951	J.E. Poorman	Knurling Tool
	2,724,302	Nov. 22, 1955	J.E. Poorman	Tool to Be Attached to a Screw Machine or the Like
	2,870,661	Jan. 27, 1959	J.E. Poorman	Knurling Tool

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