PLANETEXCHANGE.COM, INC

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KING OF PRUSSIA, PA, US

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Patents Grantslast 30 patents

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