Referenziert von|
| US4757936 | 7. Nov. 1985 | 19. Juli 1988 | Hokkai Can Co., Ltd. | Sealed container and process of manufacture thereof | | US4852793 | 4. Mai 1988 | 1. Aug. 1989 | Hokkai Can Co., Ltd. | Sealed container and process of manufacture thereof | | US6056145 | 14. Jan. 1999 | 2. Mai 2000 | Fort James Corporation | Lid for cups with non-helical brim |
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