Growing community of inventors

Hudson, WI, United States of America

Steven F Nagel

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

Steven F NagelPhilip A Koehler (2 patents)Steven F NagelSteven F Nagel (2 patents)Philip A KoehlerPhilip A Koehler (4 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Doboy, Inc. (1 from 3 patents)

2. Sig Pack Doboy Inc. (1 from 1 patent)


2 patents:

1. 6997093 - Cross web shear apparatus

2. 6722413 - Cutting and laminating apparatus for producing reinforced web

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as of
1/10/2026
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