Growing community of inventors

Creve Coeur, MO, United States of America

Tann R Schafer

Average Co-Inventor Count = 2.00

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 = 6

Tann R SchaferJohn J D'Amico (1 patent)Tann R SchaferTann R Schafer (1 patent)John J D'AmicoJohn J D'Amico (50 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Monsanto Company (1 from 3,288 patents)


1 patent:

1. 4416687 - 3,5-Bis (trifluoromethyl)phenoxy carboxylic acids and derivatives thereof

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12/19/2025
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