David Kaufer

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Pittsburgh, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for determining the validity of an essay examin...
- Patent number 10,699,589
- Issue date Jun 30, 2020
- Educational Testing Service
- Beata Beigman Klebanov
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Media annotation visualization tools and techniques, and an aggrega...
- Patent number 10,061,756
- Issue date Aug 28, 2018
- Carnegie Mellon University
- Ananda Gunawardena
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Systems and Methods for Determining the Ecological Validity of An A...
- Publication number 20150332599
- Publication date Nov 19, 2015
- Educational Testing Service
- Beata Beigman Klebanov
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Media Annotation Visualization Tools and Techniques, and an Aggrega...
- Publication number 20130185657
- Publication date Jul 18, 2013
- UNIVERSITY OF LOUISVILLE RESEARCH FOUNDATION, INC.
- Ananda Gunawardena
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method of and system for screening electronic mail items
- Publication number 20020013692
- Publication date Jan 31, 2002
- Ravinder Chandhok
- G06 - COMPUTING CALCULATING COUNTING