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Derk Hartland
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Lake Forest, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Backup camera enabling device
Patent number
10,703,301
Issue date
Jul 7, 2020
Derk Hartland
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Powertrain, vehicle, and method with electric motors and dual belt...
Patent number
8,276,693
Issue date
Oct 2, 2012
American Challenge Technologies, Inc.
Joseph N. Scarbo
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Automotive vehicle engine apparatus
Patent number
8,181,728
Issue date
May 22, 2012
MJ Acquisitions, Inc.
Derk Hartland
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
BACKUP CAMERA ENABLING DEVICE
Publication number
20190118729
Publication date
Apr 25, 2019
Derk Hartland
B60 - VEHICLES IN GENERAL
Information
Patent Application
Powertrain, Vehicle, and Method With Electric Motors and Dual Belt...
Publication number
20120052995
Publication date
Mar 1, 2012
American Challenge Technologies, Inc.
Joseph N. Scarbo
B60 - VEHICLES IN GENERAL
Information
Patent Application
Automotive Vehicle Engine Apparatus
Publication number
20090260906
Publication date
Oct 22, 2009
Derk Hartland
B60 - VEHICLES IN GENERAL