Mart Kelder

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Tallinn, EE

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Patents Grantslast 30 patents

Information Patent Grant
Audio device control method and apparatus
- Patent number 8,862,993
- Issue date Oct 14, 2014
- Skype
- Rita Vitorino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
User interface
- Patent number 8,819,216
- Issue date Aug 26, 2014
- Skype
- Mart Kelder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Audio device control method and apparatus
- Publication number 20090319898
- Publication date Dec 24, 2009
- Rita Vitorino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
User interface
- Publication number 20070294415
- Publication date Dec 20, 2007
- Mart Kelder
- G06 - COMPUTING CALCULATING COUNTING