Growing community of inventors

Mill Valley, CA, United States of America

Helen Clark

Average Co-Inventor Count = 5.00

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 = 815

Helen ClarkJack Levine (2 patents)Helen ClarkNydia Jackson (2 patents)Helen ClarkDavid L Johnson (2 patents)Helen ClarkPriscilla C Brandt (2 patents)Helen ClarkHelen Clark (2 patents)Jack LevineJack Levine (3 patents)Nydia JacksonNydia Jackson (2 patents)David L JohnsonDavid L Johnson (2 patents)Priscilla C BrandtPriscilla C Brandt (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Visa International Service Association (1 from 2,520 patents)

2. Visa International (1 from 6 patents)


2 patents:

1. RE37122 - Method and apparatus for distributing currency

2. 5477038 - Method and apparatus for distributing currency

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1/4/2026
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