| http://www.w3.org/ns/prov#value | - d of making a threaded holeUS5088861 *Mar 25, 1991Feb 18, 1992Threading Systems, Inc.Threadmilling toolUS5143492 *Jun 27, 1991Sep 1, 1992Felix LeebDevice and tool bit for cutting all known types of threads (except buttress thread) in one single work processUS5176477 *Jan 10, 1991Jan 5, 1993Gte Valenite CorporationDrill toolUS5429459 *May 28, 1991Jul 4, 1995Manuel C. TurchanMethod of and apparatus
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