JOHN CHANDLER WITZGALL

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OVERLAND PARK, KS, US

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Patents Grantslast 30 patents

Information Patent Grant
Dynamic determination of file transmission chunk size for efficient...
- Patent number 8,909,261
- Issue date Dec 9, 2014
- Sprint Communications Company L.P.
- Piyush Upadhyay
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Detection and suppression of short message service denial of servic...
- Patent number 8,255,994
- Issue date Aug 28, 2012
- Sprint Communications Company L.P.
- Piyush Upadhyay
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Delayed display of message
- Patent number 8,219,067
- Issue date Jul 10, 2012
- Sprint Communications Company L.P.
- Debashis Haldar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for embedding a data message in a pilot signal
- Patent number 8,159,987
- Issue date Apr 17, 2012
- Sprint Spectrum L.P.
- Piyush Upadhyay
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for embedding a data message in a pilot signal
- Patent number 8,054,772
- Issue date Nov 8, 2011
- Sprint Spectrum L.P.
- Piyush Upadhyay
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
DETECTION AND SUPPRESSION OF SHORT MESSAGE SERVICE DENIAL OF SERVIC...
- Publication number 20100050255
- Publication date Feb 25, 2010
- Sprint Communications Company L.P.
- PIYUSH UPADHYAY
- H04 - ELECTRIC COMMUNICATION TECHNIQUE