Growing community of inventors

Palatine, IL, United States of America

Mary Louis Hardzinski

Average Co-Inventor Count = 6.00

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 = 6

Mary Louis Hardzinski ↔ Thomas Joseph McBlain (3 patents)Mary Louis Hardzinski ↔ Susanne Marie Crockett (3 patents)Mary Louis Hardzinski ↔ Karen Jeanne Pelletier (3 patents)Mary Louis Hardzinski ↔ Tricia Ehlers Henry (3 patents)Mary Louis Hardzinski ↔ Roberto Carrion (3 patents)Mary Louis HardzinskiMary Louis Hardzinski (3 patents)Thomas Joseph McBlainThomas Joseph McBlain (67 patents)Susanne Marie CrockettSusanne Marie Crockett (63 patents)Karen Jeanne PelletierKaren Jeanne Pelletier (39 patents)Tricia Ehlers HenryTricia Ehlers Henry (7 patents)Roberto CarrionRoberto Carrion (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ameritech Corporation (2 from 159 patents)

2. At&t Intellectual Property I, LP (1 from 16,507 patents)


3 patents:

1. 7903805 - Method and system for providing enhanced call waiting

2. 7095826 - Method and system for providing enhanced call waiting

3. 6539079 - Method and system for providing enhanced call waiting

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as of
1/7/2026
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