LS

Leonard C. Swanson

ES Educational Testing Service: 4 patents #41 of 260Top 20%
Overall (All Time): #1,287,058 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5827070 System and methods for computer based testing Roger C. Kershaw, Frank J. Romano, William Ward 1998-10-27
5657256 Method and apparatus for administration of computerized adaptive tests Martha L. Stocking 1997-08-12
5565316 System and method for computer based testing Roger C. Kershaw, Frank J. Romano, William Ward 1996-10-15
5059127 Computerized mastery testing system, a computer administered variable length sequential testing system for making pass/fail decisions Charles Lewis, Kathleen M. Sheehan, Richard N. Devore 1991-10-22