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Chicago, IL, United States of America

Justin Owen Guthrie

Average Co-Inventor Count = 3.00

ph-index = 3

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 = 37

Justin Owen Guthrie ↔ Carmen O Lira-Nunez (3 patents)Justin Owen Guthrie ↔ Matthew J Gerules (3 patents)Justin Owen GuthrieJustin Owen Guthrie (3 patents)Carmen O Lira-NunezCarmen O Lira-Nunez (65 patents)Matthew J GerulesMatthew J Gerules (36 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sanford Gmbh (3 from 386 patents)


3 patents:

1. D659191 - Writing instrument

2. D650857 - Writing instrument

3. D641785 - Writing instrument

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as of
12/7/2025
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