Growing community of inventors

Janesville, WI, United States of America

Gerald C Herold

Average Co-Inventor Count = 2.93

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 = 39

Gerald C HeroldJacques LeBlanc (2 patents)Gerald C HeroldE Dale Thompson (2 patents)Gerald C HeroldFrederick R Wittnebert (1 patent)Gerald C HeroldHarley A Jung (1 patent)Gerald C HeroldFrancis J Meinhardt (1 patent)Gerald C HeroldDaniel P Stambaugh (1 patent)Gerald C HeroldJoseph R Branks (1 patent)Gerald C HeroldGerald C Herold (4 patents)Jacques LeBlancJacques LeBlanc (4 patents)E Dale ThompsonE Dale Thompson (2 patents)Frederick R WittnebertFrederick R Wittnebert (3 patents)Harley A JungHarley A Jung (3 patents)Francis J MeinhardtFrancis J Meinhardt (1 patent)Daniel P StambaughDaniel P Stambaugh (1 patent)Joseph R BranksJoseph R Branks (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Parker Pen Company (3 from 29 patents)

2. Parker Pen (Benelux) B.v. (1 from 10 patents)


4 patents:

1. 4702634 - Continuous feed mechanical pencil with push button lead feed actuator

2. D282754 - Writing instrument with faceted trim rings

3. D282672 - Ball point writing instrument

4. 3951555 - Modular writing pen

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as of
1/13/2026
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