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Patents for William D. Averill
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,940,112Dec. 19, 1933W.D. AverillMilling Machinemilling machines
2,225,731Dec. 24, 1940W.D. AverillBroaching Machinebroaching machines
2,365,040Dec. 12, 1944A.L. Hamelberg, W.D. AverillBroaching Machinebroaching machines
2,747,271May 29, 1956W.D. Averill, E.C. RaehrsProcess of Machiningmachining
3,221,404Dec. 07, 1965D.I. McDonald, W.D. AverillCutting Tool Adaptertool changers and storage mechanisms
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