Growing community of inventors

Corvallis, OR, United States of America

David W Barnes

Average Co-Inventor Count = 1.20

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 = 15

David W BarnesGregory C Janice (1 patent)David W BarnesDavid W Barnes (3 patents)Gregory C JaniceGregory C Janice (8 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. State of Oregon (2 from 199 patents)

2. Other (1 from 832,843 patents)


3 patents:

1. 5602025 - Non-tumorigenic cell lines for expression of genes

2. 5474930 - Non-tumorigenic cell lines for expression of genes

3. 4753164 - Adjustable pocket printing platen

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as of
12/27/2025
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