| http://www.w3.org/ns/prov#value | - HENRY F. PHILLIPS. Referenced byCiting PatentFiling datePublication dateApplicantTitleUS3293978 *Dec 21, 1964Dec 27, 1966Max G HandleyScrew with v-shaped slotUS5364212 *Dec 22, 1993Nov 15, 1994Richard Bergner Gmbh & Co.Fastening member having threads, particularly a screw and screwing toolUS8166851Jun 1, 2009May 1, 2012Robert Bosch GmbhCombination driving tool for phillips and robertson fastenersD
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