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Cherry Hills Village, CO, United States of America

Robert N Helmick

Average Co-Inventor Count = 2.00

ph-index = 4

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 = 122

Robert N HelmickJon M Dobrin (4 patents)Robert N HelmickRobert N Helmick (4 patents)Jon M DobrinJon M Dobrin (5 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Ecollege.com (4 from 9 patents)


4 patents:

1. 6684053 - On-line educational system for processing exam questions and answers

2. 6678500 - On-line educational system for grading of assignments and posting grade information in an on-line gradebook

3. 6674992 - On-line educational system for document sharing

4. 6470171 - On-line educational system for display of educational materials

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as of
11/4/2025
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