Growing community of inventors

Boulder, CO, United States of America

Ronald E Heffner

Average Co-Inventor Count = 2.00

ph-index = 1

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 = 45

Ronald E Heffner ↔ Toan Chau (1 patent)Ronald E Heffner ↔ Toan Chau (1 patent)Ronald E HeffnerRonald E Heffner (1 patent)Toan ChauToan Chau (2 patents)Toan ChauToan Chau (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Lucent Technologies Inc. (1 from 9,364 patents)

2. At+t Corp. (4,208 patents)


1 patent:

1. 5550906 - Telecommunications feature server

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as of
12/15/2025
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