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All Patents in class 73/808
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
1,991,854Feb. 19, 1935C.E. JohanssonApparatus for demonstrating the adhesion of flat surfacesmeasuring tools
2,289,874Jul. 14, 1942F.W. CurtisMilling Machinemilling machines
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