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Patents for William R. Biddle
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
1,034,723Aug. 06, 1912A.C. Schuerrmann, H. MuellerTool-retaining device for boring-barsboring bars
1,034,724Aug. 06, 1912H. MuellerTool-shankboring bars
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