Growing community of inventors

Denton, TX, United States of America

Darrell L Ward

Average Co-Inventor Count = 1.00

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 = 67

Darrell L WardDarrell L Ward (4 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Einstruction Corporation (4 from 7 patents)


4 patents:

1. 8187005 - Interactive chalkboard

2. 7925200 - System and method for communicating with students in an education environment

3. 7343134 - System and method for communicating with students in an education environment

4. 6895213 - System and method for communicating with students in an education environment

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as of
12/20/2025
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