Inventor · disambiguated record
Donald A. Rock
Also filed as: ROCK DONALD A
2 granted patents·382 citations·filing 1998–2000
74Inventor score
Technology areasG09B
Files withEDUCATIONAL TESTING SERVICE2
Top patents by PatentIndex Score
2 records- 0195US6366759B1System and method for computer-based automatic essay scoringEDUCATIONAL TESTING SERVICE·Filed 2000·Granted Apr 2, 2002·166 cites·17 claims
- 0291US6181909B1System and method for computer-based automatic essay scoringEDUCATIONAL TESTING SERVICE·Filed 1998·Granted Jan 30, 2001·216 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →