Trademark applications and grants for Deutsche Telekom. Deutsche Telekom has 266 trademark applications. The latest application filed is for "T-MOBILE INSTANT MESSAGING"
Patent Application | Date |
---|---|
ACCESS MANAGEMENT FOR CONNECTION-ACCOMPANYING DATA OF TELECOMMUNICATION CONNECTIONS 20110182420 - 13/055190 Kramarz von Kohout; Gerhard | 2011-07-28 |
Making a telephone connection to a mobile communication terminal with the calling party controlling how the call should be established 8,811,963 - 13/260,263 Voehringer August 19, 2 | 2014-08-19 |
Method and monitoring system for monitoring at least one subscriber line 6,954,710 - 10/239,485 Kessler October 11, 2 | 2005-10-11 |
Process and device for transmitting confidential connection establishment and service information between subscriber terminals and one or more digital exchanges 6,708,275 - 08/973,927 Stolz March 16, 2 | 2004-03-16 |
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