Growing community of inventors

Madison, WI, United States of America

Vern Witthuhn

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 = 0

Vern WitthuhnTimothy James Donohue (3 patents)Vern WitthuhnRobert D Barber (3 patents)Vern WitthuhnVern Witthuhn (3 patents)Timothy James DonohueTimothy James Donohue (16 patents)Robert D BarberRobert D Barber (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Wisconsin Alumni Research Foundation (3 from 4,126 patents)


3 patents:

1. 5837481 - Microbial system for formaldehyde sensing and remediation

2. 5834300 - Microbial system for formaldehyde sensing and remediation

3. 5747328 - Microbial system for formaldehyde sensing and remediation

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as of
12/30/2025
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