Growing community of inventors

Robinson, IL, United States of America

Barry J Davignon

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 = 29

Barry J DavignonDuane J Niemeyer (3 patents)Barry J DavignonChristopher W Sloss (3 patents)Barry J DavignonBarry J Davignon (3 patents)Duane J NiemeyerDuane J Niemeyer (11 patents)Christopher W SlossChristopher W Sloss (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Roadmaster, Inc. (3 from 56 patents)


3 patents:

1. 5556116 - Adjustable riding toy with interchangeable back ends

2. 5553879 - Adjustable riding toy with an adjustable axle height connection

3. 5553878 - Adjustable riding toy with wave ride wheel

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as of
12/18/2025
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