Patents for Pearl Ridenour


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Patents for Pearl Ridenour
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	1,310,351	Jul. 15, 1919	V.R. Koontz	Emmert K1 "New Improved" Universal Vise
	1,353,048	Sep. 14, 1920	V.R. Koontz	Collapsible tap
	1,356,867	Oct. 26, 1920	V.R. Koontz	Collapsible tap