Inventor · disambiguated record

William Kraft

Also filed as: KRAFT WILLIAM · KRAFT WILLIAM D

2 granted patents·282 citations·filing 1989–1989

72Inventor score

Technology areasG09B

Files withEDUCATIONAL TESTING SERVICE2

Top patents by PatentIndex Score

2 records

0187US4978305AFree response test grading methodEDUCATIONAL TESTING SERVICE·Filed 1989·Granted Dec 18, 1990·156 cites·20 claims
0286US5011413AMachine-interpretable figural response testingEDUCATIONAL TESTING SERVICE·Filed 1989·Granted Apr 30, 1991·126 cites·12 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →