Growing community of inventors

St. Petersburg, FL, United States of America

Kathleen Langan Lefferson

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 = 0

Kathleen Langan LeffersonPeter Lefferson (1 patent)Kathleen Langan LeffersonKathleen Langan Lefferson (1 patent)Peter LeffersonPeter Lefferson (6 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (1 from 832,812 patents)


1 patent:

1. 7500647 - Jar holder

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12/19/2025
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