Growing community of inventors

Akron, OH, United States of America

Gregory A Nightingale

Average Co-Inventor Count = 2.25

ph-index = 3

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 = 267

Gregory A NightingaleMark J Williams (3 patents)Gregory A NightingaleTodd A Randolph (1 patent)Gregory A NightingaleGregory A Nightingale (3 patents)Mark J WilliamsMark J Williams (43 patents)Todd A RandolphTodd A Randolph (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Virtual Hold Technology, LLC (2 from 30 patents)

2. Other (1 from 832,912 patents)


3 patents:

1. 6754334 - Automatic call director first in first out accessory

2. 6563921 - Automatic call director first in first out accessory

3. 5627884 - Method for returning inbound calls

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as of
1/10/2026
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