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Patents for Ernest A. Walker
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	1,835,733	Dec. 08, 1931	H.M. Allison, E.A. Walker	Backing Off Mechanism for Grinding Machines
	1,854,242	Apr. 19, 1932	E.A. Walker, H.M. Allison	Machine for Measuring Taps
	1,854,244	Apr. 19, 1932	E.A. Walker, H.M. Allison	Machine for Measuring Two-Fluted Taps

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