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Patents for Walter McH. Alston
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,147,476Jul. 20, 1915W.M. Alston, I.E. HindmanLifting-jack
1,151,232Aug. 24, 1915W.M. Alston, I.E. HindmanLifting-jack
1,165,380Dec. 28, 1915W.M. Alston, I.E. HindmanLifting-jack
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