|
| US4318098 | 10 Dec 1979 | 2 Mar 1982 | | Signs |
| US4819357 | 23 May 1985 | 11 Apr 1989 | | Information display devices |
| US4926167 | 2 Apr 1987 | 15 May 1990 | Bright-Tech (Developments) Limited | Information display apparatus |
| US5111193 | 6 Jun 1990 | 5 May 1992 | American On-Premise Advertising Company | Electronic display element for electronic display device |
| US5148156 | 6 Jun 1990 | 15 Sep 1992 | American Electronic Sign Company | Electronic display device having a plurality of pixel elements |
| US6677922 | 12 Oct 2000 | 13 Jan 2004 | 3M Innovative Properties Company | Display element having retroreflective surface |
| USD643071 | 18 Mar 2011 | 9 Aug 2011 | John Mezzalingua Associates, Inc. | Packaging label |
