Gratistelefon Svenska AB

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6301342 Method relating to telephone communications including the transmission of advertising messagesExpiredSep 23, 99Oct 09, 01[H04M]
6140912 Method and a device for telecommunicationExpiredMay 01, 97Oct 31, 00[H04M, G08B]

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