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Patent number:
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Patents for Walter E. L. Bock
Patents 1 - 2 of 2
Picture
Number
Date
Patentee
Title
1,161,070
Nov. 23, 1915
H.M. Neer
Valve Grinder
1,356,394
Oct. 19, 1920
G.E. Norris
Mortising-machine
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