Growing community of inventors

Whitewater, WI, United States of America

Frederick R Wittnebert

Average Co-Inventor Count = 1.36

ph-index = 2

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 = 31

Frederick R WittnebertGerald C Herold (1 patent)Frederick R WittnebertFrancis J Meinhardt (1 patent)Frederick R WittnebertJoseph R Branks (1 patent)Frederick R WittnebertDaniel P Stambaugh (1 patent)Frederick R WittnebertFrederick R Wittnebert (3 patents)Gerald C HeroldGerald C Herold (4 patents)Francis J MeinhardtFrancis J Meinhardt (1 patent)Joseph R BranksJoseph R Branks (1 patent)Daniel P StambaughDaniel P Stambaugh (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


3 patents:

1. D243014 - Fountain pen

2. 3957379 - Fountain pen

3. 3951555 - Modular writing pen

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idiyas.com
as of
1/23/2026
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