|
| US3973964 | 23 Dic 1974 | 10 Ago 1976 | Zenith Radio Corporation | Method for manufacturing a color cathode ray tube and for making screening and mask masters used therein |
| US3975198 | 23 Dic 1974 | 17 Ago 1976 | Zenith Radio Corporation | Method and apparatus for manufacturing a color cathode ray tube using interchangeable shadow masks |
| US3983613 | 15 Dic 1975 | 5 Oct 1976 | Zenith Radio Corporation | Photographic master for use in making a color cathode ray tube shadow mask |
| US3989524 | 23 Dic 1974 | 2 Nov 1976 | Zenith Radio Corporation | Method for manufacturing a color cathode ray tube using mask and screen masters |
| US4105493 | 8 Ago 1977 | 8 Ago 1978 | The Gillette Company | Production of shaving foil |
| US4210843 | 3 Abr 1979 | 1 Jul 1980 | Zenith Radio Corporation | Color CRT shadow mask and method of making same |
| US4248947 | 18 Nov 1977 | 3 Feb 1981 | Hitachi, Ltd. | Method for master pattern production |
| US4565755 | 24 Feb 1984 | 21 Ene 1986 | Tokyo Shibaura Denki Kabushiki Kaisha | Method of manufacturing shadow mask |
| US4680196 | 15 Abr 1986 | 14 Jul 1987 | Zenith Electronics Corporation | Method for shadow mask protection during manufacture |
| US4705357 | 22 Ago 1985 | 10 Nov 1987 | Zenith Electronics Corporation | Shadow mask having aperture occlusion prevention means |
| US4902257 | 22 Jul 1988 | 20 Feb 1990 | Zenith Electronics Corporation | Methods and apparatus for making flat tension mask color cathode ray tubes |
| US4973280 | 22 Jun 1989 | 27 Nov 1990 | Zenith Electronics Corporation | Method and apparatus for making flat tension mask color cathode ray tubes |
| US4998901 | 8 Sep 1989 | 12 Mar 1991 | Zenith Electronics Corporation | Method and apparatus for making flat tension mask color cathode ray tubes |
| US5059147 | 3 Ago 1990 | 22 Oct 1991 | Zenith Electronics Corporation | Method and apparatus for making flat tension mask color cathode ray tubes |
| US5718738 | 4 Nov 1996 | 17 Feb 1998 | Lucent Technologies Inc. | Method for making continuously chirped fiber bragg gratings |
| US6940229 | 5 May 2003 | 6 Sep 2005 | Nippon Electric Glass Co., Ltd. | Glass bulb for cathode ray tube |
