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Patents for Walter E. L. Bock
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,161,070Nov. 23, 1915H.M. NeerValve Grindervalve grinding tools
1,356,394Oct. 19, 1920G.E. NorrisMortising-machineportable timber mortisers
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