Stephen G. Johnsen

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Maple Valley, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Mobile variable power system and method
- Patent number 10,737,583
- Issue date Aug 11, 2020
- Stephen G. Johnsen
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Mobile variable power system and method
- Patent number 9,887,570
- Issue date Feb 6, 2018
- Stephen G. Johnsen
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
MOBILE VARIABLE POWER SYSTEM AND METHOD
- Publication number 20180159347
- Publication date Jun 7, 2018
- Stephen G. Johnsen
- B60 - VEHICLES IN GENERAL
Information Patent Application
MOBILE VARIABLE POWER SYSTEM AND METHOD
- Publication number 20140375272
- Publication date Dec 25, 2014
- Stephen G. Johnsen
- B60 - VEHICLES IN GENERAL