For the Inventor, By the Inventor

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Menlo Park, CA, United States of America

Pp Holdings Inc.

USPTO Granted Patents = 1

Forward Citations = 79

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4 inventors (with patents filed for the assignee):

Frank Kochinke (1 out of 11 patents)

Dan Arenson (1 out of 1 patent)

Jenny Louie (1 out of 2 patents)

4. William R Pfister (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 5613958 - Transdermal delivery systems for the modulated administration of drugs (1997-03-25),

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USPTO Data Jan 1 1976 - Dec 30 2025

1 Patents

#437 in Menlo Park, CA

#28,444 in California

#133,919 in US

Menlo Park, CA, United States of America

Pp Holdings Inc.

Forward Citations = 79

4 inventors:

Frank Kochinke (1 out of 11 patents)

Dan Arenson (1 out of 1 patent)

Jenny Louie (1 out of 2 patents)

4. William R Pfister (1 out of 1 patent)

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