Growing community of inventors

Thousand Oaks, CA, United States of America

David Turnbull

Average Co-Inventor Count = 3.00

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 = 65

David Turnbull ↔ Stanley Kuo (1 patent)David Turnbull ↔ Dan Loomis (1 patent)David TurnbullDavid Turnbull (1 patent)Stanley KuoStanley Kuo (10 patents)Dan LoomisDan Loomis (3 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Verifone Gmbh (1 from 213 patents)


1 patent:

1. D653664 - Card reader for mobile phone

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as of
12/21/2025
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