Growing community of inventors

Flower Mound, TX, United States of America

Darrell D Roberts

Average Co-Inventor Count = 2.25

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 = 40

Darrell D RobertsKirk Barker (2 patents)Darrell D RobertsTheodore Edwards (1 patent)Darrell D RobertsRobert Carroll (1 patent)Darrell D RobertsDarrell D Roberts (3 patents)Kirk BarkerKirk Barker (2 patents)Theodore EdwardsTheodore Edwards (2 patents)Robert CarrollRobert Carroll (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Telstrat International, Ltd. (1 from 3 patents)

2. Telestrat International, Ltd. (1 from 1 patent)

3. Telstrat Int'l, Ltd (1 from 1 patent)


3 patents:

1. 8537984 - Voice over IP telephone recording architecture

2. 7499530 - System and method for on-demand recording

3. 7054420 - Voice over IP telephone recording architecture

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as of
12/20/2025
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