Oleg Panashchenko

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Gathersburg, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for maintaining presence and communicating over a...
- Patent number 8,868,761
- Issue date Oct 21, 2014
- Planet Exchange, LLC
- Paul S. Eftis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for maintaining presence and communicating over a...
- Patent number 8,423,649
- Issue date Apr 16, 2013
- Planetexchange LLC
- Paul S. Eftis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for maintaining presence and communicating over a...
- Patent number 7,636,784
- Issue date Dec 22, 2009
- PlanetExchange.com, Inc.
- Paul S. Eftis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for maintaining presence and communicating over a...
- Patent number 7,631,087
- Issue date Dec 8, 2009
- PlanetExchange.com, Inc.
- Paul S. Eftis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System using HTTP protocol for maintaining and updating on-line pre...
- Patent number 7,171,473
- Issue date Jan 30, 2007
- Planet Exchange, Inc.
- Paul S. Eftis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
System and method for maintaining presence and communicating over a...
- Publication number 20130007157
- Publication date Jan 3, 2013
- Paul S. Eftis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR MAINTAINING PRESENCE AND COMMUNICATING OVER A...
- Publication number 20070112965
- Publication date May 17, 2007
- PlanetExchange, Inc.
- Paul S. Eftis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR MAINTAINING PRESENCE AND COMMUNICATING OVER A...
- Publication number 20070112966
- Publication date May 17, 2007
- PlanetExchange, Inc.
- Paul S. Eftis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR MAINTAINING PRESENCE AND COMMUNICATING OVER A...
- Publication number 20070106756
- Publication date May 10, 2007
- PlanetExchange, Inc.
- Paul S. Eftis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE