|
| US3965598 | 14 Nov 1974 | 29 Jun 1976 | J. J. Avery, Inc. | Identification device and method of making same |
| US4486073 | 15 Sep 1980 | 4 Dec 1984 | | Radiant energy reflecting structures |
| US4503776 | 30 Nov 1981 | 12 Mar 1985 | Diehl GmbH & Co. | Fragmentation body for fragmentation projectiles and warheads |
| US4725494 | 8 May 1985 | 16 Feb 1988 | Minnesota Mining and Manufacturing Co. | Retroreflective sheeting |
| US6024455 | 13 Jan 1998 | 15 Feb 2000 | 3M Innovative Properties Company | Reflective article with concealed retroreflective pattern |
| US6157486 | 13 Jan 1998 | 5 Dec 2000 | 3M Innovative Properties Company | Retroreflective dichroic reflector |
| US6166856 | 15 Jun 1998 | 26 Dec 2000 | 3M Innovative Properties Company | Self light-emitting retroreflective sheet and method for producing the same |
| US6172810 | 26 Feb 1999 | 9 Jan 2001 | 3M Innovative Properties Company | Retroreflective articles having polymer multilayer reflective coatings |
| US6224219 | 10 Apr 2000 | 1 May 2001 | 3M Innovative Properties Company | Method for making retroreflective articles having polymer multilayer reflective coatings |
| US6243201 | 26 Jul 2000 | 5 Jun 2001 | 3M Innovative Properties Company | Retroreflective articles having polymer multilayer reflective coatings |
| US6350034 | 10 Apr 2000 | 26 Feb 2002 | 3M Innovative Properties Company | Retroreflective articles having polymer multilayer reflective coatings |