Dusan Ignjatovic

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Stockholm, SE

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Patents Grantslast 30 patents

Information Patent Grant
Methods and apparatus for implementing private branch exchange acce...
- Patent number 9,232,521
- Issue date Jan 5, 2016
- Telefonaktiebolaget L M Ericsson (Publ)
- Dusan Ignjatovic
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
IP MULTIMEDIA SUBSYSTEM SUPPORT FOR PRIVATE BRANCH EXCHANGES
- Publication number 20150063345
- Publication date Mar 5, 2015
- Telefonaktiebolaget L M Ericsson (pulb)
- Nils Hanstrom
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS AND APPARATUS FOR IMPLEMENTING PRIVATE BRANCH EXCHANGE ACCE...
- Publication number 20130329705
- Publication date Dec 12, 2013
- Dusan Ignjatovic
- H04 - ELECTRIC COMMUNICATION TECHNIQUE