Barbara Elizabeth Johnson

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Elk Grove Village, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
System for indexing pedestrian traffic
- Patent number 7,415,510
- Issue date Aug 19, 2008
- Shoppertrack RCT Corporation
- George Kramerich
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Dynamic rule based market research database
- Patent number 6,484,158
- Issue date Nov 19, 2002
- A. C. Nielsen Company
- Barbara Elizabeth Johnson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Market research database containing separate product and naked prod...
- Patent number 6,092,069
- Issue date Jul 18, 2000
- A. C. Nielsen Company
- Barbara Elizabeth Johnson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Market research database having historical control designator
- Patent number 6,078,922
- Issue date Jun 20, 2000
- A. C. Nielson Company
- Barbara Elizabeth Johnson
- G06 - COMPUTING CALCULATING COUNTING