William D. Kraft

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Middlesex County, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Machine-interpretable figural response testing
- Patent number 5,011,413
- Issue date Apr 30, 1991
- Educational Testing Service
- John J. Ferris
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Free response test grading method
- Patent number 4,978,305
- Issue date Dec 18, 1990
- Educational Testing Service
- William D. Kraft
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS