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All Patents of Type: utility knives
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
4,139,939Feb. 20, 1979G.C. CrooksUtility Knifeutility knives
5,012,581May 07, 1991D.H. Mallalieu, W.D. Fletcher, D.P. CummingsUniversal Utility Knifeutility knives
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