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Forest Park, IL, United States of America

Rhonda Leonard

Average Co-Inventor Count = 1.00

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 = 57

Rhonda LeonardRhonda Leonard (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Sbc Knowledge Ventures, L.p. (3 from 125 patents)


3 patents:

1. 7545921 - Method and system for use with phone calls originating from a facility

2. 7505573 - Inmate called party prepaid card method and system

3. 7359494 - System and method for restricted telephone message delivery

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