|
| US4508319 | 21 Nov 1983 | 2 Abr 1985 | | Bender board mounting system |
| US4646489 | 7 Feb 1986 | 3 Mar 1987 | | Plastic fence post bottom repair device |
| US6398192 | 19 Jul 1999 | 4 Jun 2002 | TRN Business Trust | Breakaway support post for highway guardrail end treatments |
| US6488268 | 12 Abr 2001 | 3 Dic 2002 | TRN Business Trust | Breakaway support post for highway guardrail end treatments |
| US6619630 | 31 Ago 2001 | 16 Sep 2003 | TRN Business Trust | Breakaway support post for highway guardrail end treatments |
| US6715735 | 31 Ago 2001 | 6 Abr 2004 | The Texas A&M University System | Head assembly for guardrail extruder terminal |
| US6783116 | 21 May 2001 | 31 Ago 2004 | TRN Business Trust | Guardrail end terminal assembly having at least one angle strut |
| US6793204 | 1 Ago 2002 | 21 Sep 2004 | TRN Business Trust | Breakaway support post for highway guardrail end treatments |
| US6851660 | 6 Nov 2002 | 8 Feb 2005 | | Landscape timber anchoring system |
| US6886813 | 21 May 2003 | 3 May 2005 | Exodyne Technologies, Inc. | Breakaway support post for highway guardrail end treatments |
| US6902150 | 2 Dic 2002 | 7 Jun 2005 | The Texas A&M University System | Steel yielding guardrail support post |
| US6948703 | 13 May 2003 | 27 Sep 2005 | The Texas A&M University System | Locking hook bolt and method for using same |
| US7556242 | 23 Ago 2005 | 7 Jul 2009 | The Texas A&M University Systems | Cable guardrail release system |
| US8038126 | 7 May 1998 | 18 Oct 2011 | Trinity Industries, Inc. | Breakaway support post for highway guardrail end treatments |
| US8215619 | 2 Dic 2009 | 10 Jul 2012 | Energy Absorption Systems, Inc. | Guardrail assembly, breakaway support post for a guardrail and methods for the assembly and use thereof |