Growing community of inventors

Wauwatosa, WI, United States of America

Michael Lee Frank

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

Michael Lee Frank ↔ Christopher Aaron Horn (2 patents)Michael Lee Frank ↔ Tyler Barron Jones (2 patents)Michael Lee Frank ↔ Seth Thomas Bergerud (2 patents)Michael Lee Frank ↔ Robert Douglas Clark (2 patents)Michael Lee FrankMichael Lee Frank (2 patents)Christopher Aaron HornChristopher Aaron Horn (7 patents)Tyler Barron JonesTyler Barron Jones (4 patents)Seth Thomas BergerudSeth Thomas Bergerud (2 patents)Robert Douglas ClarkRobert Douglas Clark (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
12/11/2025
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