David W. Bergan

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Tucson, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Interactive computer system for instructor-student teaching and ass...
- Patent number 8,784,114
- Issue date Jul 22, 2014
- Assessment Technology, Inc.
- David W. Bergan
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Interactive computer system for instructor-student teaching and ass...
- Patent number 8,529,270
- Issue date Sep 10, 2013
- Assessment Technology, Inc.
- David W. Bergan
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
INTERACTIVE COMPUTER SYSTEM FOR INSTRUCTOR-STUDENT TEACHING AND ASS...
- Publication number 20140295398
- Publication date Oct 2, 2014
- David W. Bergan
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
INTERACTIVE COMPUTER SYSTEM FOR INSTRUCTOR-STUDENT TEACHING AND ASS...
- Publication number 20130316325
- Publication date Nov 28, 2013
- ASSESSMENT TECHNOLOGY INCORPORATED
- David W. Bergan
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Interactive computer system for instructor-student teaching and ass...
- Publication number 20050130113
- Publication date Jun 16, 2005
- Assessment Technology, Inc.
- David W. Bergan
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS