... No(s): 4, 901,221; 4, 9 14, 568; 5,291,587;5,301,301; 5,301,336; 5 ,47 5,851; 5 ,48 1, 740 ; 5 ,48 1, 741 ; 5 ,49 7,500; 5,5 04, 917; 5,583,988; 5,610,828; 5,652,909; 5,732,277; 5,7 34, 863;5,737,622; 5,7 64, 546 ; ... 5,7 64, 546 ; 5,7 84, 275; 5,821,9 34; 5, 847 ,953; 5,905, 649 ; 5,920 ,47 9; 5,9 74, 2 54; 5,990,906; 6,0 64, 812; 6,0 64, 816; 6,102,965;6,138,270; D3 840 51; D387750; D3 840 50; D3 840 52; European Patent No(s).: 0 242 131; ... 11,France 01 48 14 24 24, Germany 089 741 31 30, Greece 30 1 42 96 42 7, Hong Kong 2 645 3186,India 9180527 540 6, Israel 03 6120092, Italy 02 41 3091, Japan 03 547 2 2970, Korea 02 596 745 6,Malaysia...