Growing community of inventors

North Liberty, IA, United States of America

Nathan B Fethke

Average Co-Inventor Count = 4.00

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 = 66

Nathan B FethkeAnthony W Konkler (3 patents)Nathan B FethkeElizabeth J Marquardt (3 patents)Nathan B FethkePaul R Johnson (2 patents)Nathan B FethkeNathan B Fethke (3 patents)Anthony W KonklerAnthony W Konkler (6 patents)Elizabeth J MarquardtElizabeth J Marquardt (3 patents)Paul R JohnsonPaul R Johnson (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fiskars Brands, Inc. (1 from 377 patents)

2. Aquapore Moisture Systems, Inc. (1 from 20 patents)


3 patents:

1. 7350839 - Hand tool

2. D488046 - Two-hand tool grip

3. D487010 - Handle for a hand tool

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as of
12/21/2025
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