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

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