|
| US4347027 | 3 Ago 1977 | 31 Ago 1982 | Illinois Tool Works Inc. | Drill screw |
| US4655661 | 3 Jul 1985 | 7 Abr 1987 | Richter-System GmbH & Co. KG | Self-cutting fast construction screw |
| US5242447 | 6 Feb 1992 | 7 Sep 1993 | Howmedica Inc. | Pin with tapered root diameter |
| US6296433 | 5 Sep 2000 | 2 Oct 2001 | Illinois Tool Works Inc. | Large diameter tapcon with debris reservoir end or tip |
| US7393170 | 23 Feb 2005 | 1 Jul 2008 | | Screw with guide wings |
| US7686556 | 14 Ene 2005 | 30 Mar 2010 | Handy & Harman | Wood truss fastener |
| US8192124 | 25 May 2007 | 5 Jun 2012 | Adolf Wuerth GmbH & Co. KG | Self-drilling screw |
| USD567644 | 22 Nov 2006 | 29 Abr 2008 | A-Stainless International Co., Ltd. | Screw |
