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Patents for Chas. I. Welch
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	787,940	Apr. 25, 1905	A.J. Perks	Spirit level attachment for straight edges
	819,965	May 08, 1906	H.S. Williams	Leveling Instrument
	1,342,848	Jun. 08, 1920	C.L. Johnson	Cap-Removing Tool

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