For the Inventor, By the Inventor

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Beverly Hills, CA, United States of America

American Challenge Technologies, Inc.

USPTO Granted Patents = 1

Forward Citations = 2

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4 inventors (with patents filed for the assignee):

Derk Hartland (1 out of 3 patents)

Joseph N Scarbo (1 out of 1 patent)

Russel L Wicks (1 out of 1 patent)

4. Neil E Hannemann (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 8276693 - Powertrain, vehicle, and method with electric motors and dual belt drive (2012-10-02),

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USPTO Data Jan 1 1976 - Jan 20 2026

1 Patents

#147 in Beverly Hills, CA

#28,525 in California

#134,345 in US

Beverly Hills, CA, United States of America

American Challenge Technologies, Inc.

Forward Citations = 2

4 inventors:

Derk Hartland (1 out of 3 patents)

Joseph N Scarbo (1 out of 1 patent)

Russel L Wicks (1 out of 1 patent)

4. Neil E Hannemann (1 out of 1 patent)

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