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| US4427475 | 30 août 1982 | 24 janv. 1984 | Protective Plastics Limited | Manufacture of wrinkle-free flouroplastic laminated panels |
| US4604312 | 11 juin 1984 | 5 août 1986 | Armstrong World Industries, Inc. | Stress-free, embossed, ornamented tile surface covering and process for making the same |
| US4778547 | 20 janv. 1987 | 18 oct. 1988 | Armstrong World Industries, Inc. | Process for making a dimensionally stable, embossed, ornamented tile surface covering |
| US5457304 | 20 juin 1994 | 10 oct. 1995 | | Method of forming a decorative image on fabric materials |
| US6740189 | 6 sept. 2000 | 25 mai 2004 | Dart Manufacturing Company | Business accessory article with graphic image and method of making |
