|
| US3966868 | 9 Dic 1974 | 29 Jun 1976 | | Strip straightening apparatus, product and method |
| US4257323 | 26 Sep 1979 | 24 Mar 1981 | Kis France | Multi-purpose printing machine |
| US4313668 | 21 Ago 1978 | 2 Feb 1982 | | Control circuit for a film processing apparatus |
| US4805984 | 5 Sep 1986 | 21 Feb 1989 | Minnesota Mining and Manufacturing Company | Totally internally reflecting light conduit |
| US4906070 | 12 Jul 1988 | 6 Mar 1990 | Minnesota Mining and Manufacturing Company | Totally internally reflecting thin, flexible film |
| US5056892 | 30 Ene 1990 | 15 Oct 1991 | Minnesota Mining and Manufacturing Company | Totally internally reflecting thin, flexible film |
| US5467708 | 15 Mar 1995 | 21 Nov 1995 | GenCorp Inc. | Direct applied embossing casting method |
| US5483890 | 15 Mar 1995 | 16 Ene 1996 | GenCorp Inc. | Direct applied embossing casting methods |
| US6356389 | 12 Nov 1999 | 12 Mar 2002 | Reflexite Corporation | Subwavelength optical microstructure light collimating films |
| US6570710 | 6 Oct 2000 | 27 May 2003 | Reflexite Corporation | Subwavelength optical microstructure light collimating films |
| US6891677 | 23 May 2003 | 10 May 2005 | Reflexite Corporation | Subwavelength optical microstructure light-redirecting films |
| USRE40227 | 10 Jul 2003 | 8 Abr 2008 | 3M Innovative Properties Company | Totally internally reflecting thin, flexible film |
