John Donak

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Kanata, CA

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Patents Grantslast 30 patents

Information Patent Grant
System supporting the dynamic migration of telecommunication subscr...
- Patent number 7,283,546
- Issue date Oct 16, 2007
- CIENA Corporation
- Jean-Francois Gallant
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Alternate network fallback for IP telephony
- Patent number 6,510,219
- Issue date Jan 21, 2003
- Nortel Networks Limited
- Ronald R. Wellard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for prioritizing voice and data in a circuit-s...
- Patent number 6,507,648
- Issue date Jan 14, 2003
- Nortel Networks Limited
- Kevin W. Golka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Interfacing a communication switch to a non-embedded device driver...
- Patent number 6,408,061
- Issue date Jun 18, 2002
- Nortel Networks Limited
- John Donak
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Alternate routing schemes using quality of service information for...
- Patent number 6,330,316
- Issue date Dec 11, 2001
- Nortel Networks Limited
- John R. Donak
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
System supporting the dynamic migration of telecommunication subscr...
- Publication number 20040042509
- Publication date Mar 4, 2004
- Catena Networks, Inc.
- Jean-Francois Gallant
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for providing distributed HDT-RT networks
- Publication number 20030142663
- Publication date Jul 31, 2003
- Catena Networks, Inc.
- Jean-Francois Gallant
- H04 - ELECTRIC COMMUNICATION TECHNIQUE