Ceril T. Shagrin

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Palm Harbor, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Audience measurement system and method
- Patent number 5,771,307
- Issue date Jun 23, 1998
- Nielsen Media Research, Inc.
- Daozheng Lu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Audience measurement system and method
- Patent number 5,550,928
- Issue date Aug 27, 1996
- A. C. Nielsen Company
- Daozheng Lu
- G06 - COMPUTING CALCULATING COUNTING