(19)
(11) EP 0 289 590 A1

(12)

(43) Date of publication:
09.11.1988 Bulletin 1988/45

(21) Application number: 88900277.0

(22) Date of filing: 28.10.1987
(51) International Patent Classification (IPC): 
H04M 11/ 00( . )
G06K 19/ 00( . )
G07F 7/ 10( . )
B42D 15/ 10( . )
G06K 19/ 07( . )
(86) International application number:
PCT/US1987/002837
(87) International publication number:
WO 1988/003294 (05.05.1988 Gazette 1988/10)
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 31.10.1986 US 19860925289

(71) Applicant: CALL-IT CO.
Davenport, IA 52807 (US)

(72) Inventors:
  • RAU, David, M., III
    Bettendorf, IA 52722 (US)
  • SULLIVAN, Neil, W.
    Bettendorf, IA 52722 (US)
  • ENGLER, David, M.
    Davenport, IA 52806 (US)

(74) Representative: Kügele, Bernhard 
NOVAPAT-CABINET CHEREAU, 9, Rue du Valais
CH-1202 Genève
CH-1202 Genève (CH)

   


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