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Patent applications and USPTO patent grants for PIXCALL GMBH.The latest application filed is for "communications method with transmission of additional information".
Patent | Date |
---|---|
Communications Method With Transmission Of Additional Information App 20090161844 - Bachenberg; Michael | 2009-06-25 |
Method for the transmission of additional information in a communication system exchange device, communication system and user station App 20070140176 - Bachenberg; Michael | 2007-06-21 |
Method for the transmission of additional information in a communication system, exchange device and user station App 20070118592 - Bachenberg; Michael | 2007-05-24 |
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