(19)
(11) EP 0 923 770 A1

(12)

(43) Date of publication:
23.06.1999 Bulletin 1999/25

(21) Application number: 96933838.0

(22) Date of filing: 19.09.1996
(51) International Patent Classification (IPC): 
G09F 13/ 20( . )
G09F 21/ 02( . )
(86) International application number:
PCT/US1996/015093
(87) International publication number:
WO 1998/012691 (26.03.1998 Gazette 1998/12)
(84) Designated Contracting States:
BE CH DE DK ES FI FR GB IE IT LI NL SE

(71) Applicant: Douglas, Andre J., T.
Westlake Village, CA 91361 (US)

(72) Inventor:
  • Douglas, Andre J., T.
    Westlake Village, CA 91361 (US)

(74) Representative: Greenwood, John David, et al 
Graham Watt & Co. Riverhead
Sevenoaks Kent TN13 2BN
Sevenoaks Kent TN13 2BN (GB)

   


(54) IMPROVED DEVICES FOR ALTERATION AND DISPLAY OF CHEMILUMINESCENT LIGHT