Growing community of inventors

Middlesex County, NJ, United States of America

William D Kraft

Average Co-Inventor Count = 1.60

ph-index = 2

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 124

William D KraftMichael E Martinez (1 patent)William D KraftWinton H Manning (1 patent)William D KraftJohn J Ferris (1 patent)William D KraftWilliam D Kraft (2 patents)Michael E MartinezMichael E Martinez (2 patents)Winton H ManningWinton H Manning (2 patents)John J FerrisJohn J Ferris (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Educational Testing Service (2 from 222 patents)


2 patents:

1. 5011413 - Machine-interpretable figural response testing

2. 4978305 - Free response test grading method

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