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All Patents of Type: marking knives
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
445,276Jan. 27, 1891W.H. JohnsonMarking Knifemarking knives
678,643Jul. 16, 1901M.F. ClarkeMarking-Toolmarking knives
5,509,205Apr. 23, 1996N. Ragland, IIIUtility knife having blade retention featuremarking knives
5,909,930Jun. 08, 1999H.N. Ragland, III, J.F. MariolRetractable blade utility knife having quick change featuremarking knives
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