Growing community of inventors

Mequon, WI, United States of America

Robert Douglas Clark

Average Co-Inventor Count = 5.00

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 = 33

Robert Douglas Clark ↔ Christopher Aaron Horn (2 patents)Robert Douglas Clark ↔ Tyler Barron Jones (2 patents)Robert Douglas Clark ↔ Seth Thomas Bergerud (2 patents)Robert Douglas Clark ↔ Michael Lee Frank (2 patents)Robert Douglas ClarkRobert Douglas Clark (2 patents)Christopher Aaron HornChristopher Aaron Horn (7 patents)Tyler Barron JonesTyler Barron Jones (4 patents)Seth Thomas BergerudSeth Thomas Bergerud (2 patents)Michael Lee FrankMichael Lee Frank (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Douglas Dynamics LLC (2 from 52 patents)


2 patents:

1. D904654 - Snow plow headlamp

2. D880027 - Snow plow headlamp

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as of
12/13/2025
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