Growing community of inventors

Vancouver, WA, United States of America

Christopher O Williams

Average Co-Inventor Count = 3.00

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 = 23

Christopher O WilliamsMark F Williams (3 patents)Christopher O WilliamsRichard O Williams (3 patents)Christopher O WilliamsChristopher O Williams (3 patents)Mark F WilliamsMark F Williams (57 patents)Richard O WilliamsRichard O Williams (6 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Alpha-tec Systems, Inc. (3 from 7 patents)


3 patents:

1. 10189020 - Specimen collection apparatus

2. 9403164 - Specimen collection apparatus

3. 9138747 - Specimen collection apparatus

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as of
12/13/2025
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