|
| US3935365 | 22 Ene 1974 | 27 Ene 1976 | | Anti-skid and wear-resisting road marking tape material |
| US4146635 | 15 Abr 1977 | 27 Mar 1979 | | Anti-skid, wear- and stress-resisting road marking tape material |
| US4681480 | 22 Jul 1986 | 21 Jul 1987 | | Method for forming roadway-marking means whereby individual retroreflecting elements are gathered and grouped together |
| US4751140 | 11 Oct 1985 | 14 Jun 1988 | Seibu Polymer Kasei Kabushiki Kaisha | High-brightness pavement marking sheet material |
| US4856931 | 31 Mar 1988 | 15 Ago 1989 | Plastiroute S.A. | Process and device for producing or renewing a horizontal marking on roads and horizontal marking produced in accordance with the process |
| US5835271 | 29 Jun 1995 | 10 Nov 1998 | Minnesota Mining and Manufacturing Company | Encased retroreflective elements and method for making |
| US6303058 | 30 Oct 1998 | 16 Oct 2001 | 3M Innovative Properties Company | Method of making profiled retroreflective marking material |
| US6451408 | 2 Abr 1999 | 17 Sep 2002 | 3M Innovative Properties Company | Retroreflective article |
| US6632506 | 23 Abr 1998 | 14 Oct 2003 | Consumer Care Products Inc. | High-visibility traction tape having embedded particle traction surface |
| US6703108 | 29 Ago 2000 | 9 Mar 2004 | 3M Innovative Properties Company | Wet retroreflective marking material |
| USRE31669 | 3 Ago 1981 | 11 Sep 1984 | | Anti-skid, wear- and stress-resisting road marking tape material |