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Marion, IA, United States of America

Gregory L Mumsford

Average Co-Inventor Count = 3.00

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 = 43

Gregory L MumsfordRichard Garrett Moore (4 patents)Gregory L MumsfordDuraisamy Gunasekar (4 patents)Gregory L MumsfordGregory L Mumsford (4 patents)Richard Garrett MooreRichard Garrett Moore (52 patents)Duraisamy GunasekarDuraisamy Gunasekar (18 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Verizon Business Global LLC (3 from 289 patents)

2. Verizon Patent and Licensing Inc. (1 from 6,545 patents)


4 patents:

1. 8880401 - Communication converter for converting audio information/textual information to corresponding textual information/audio information

2. 8289951 - Communications gateway with messaging communications interface

3. 8260967 - Billing system for communications services involving telephony and instant communications

4. 7382868 - Telephony services system with instant communications enhancements

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as of
12/8/2025
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