Robert James Campbell

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Vancouver, CA

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Patents Grantslast 30 patents

Information Patent Grant
Battery charger
- Patent number D746227
- Issue date Dec 29, 2015
- Grin Technologies Ltd.
- Justin Bruce Lemire-Elmore
- D13 - Equipment for production, distribution, or transformation of energy

Patents Applicationslast 30 patents

Information Patent Application
WEIGHT SENSING SUSPENSION TRUCK FOR ELECTRIC SKATEBOARD
- Publication number 20200215419
- Publication date Jul 9, 2020
- Grin Technologies Ltd.
- Justin Bruce Lemire-Elmore
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
WEIGHT SENSING SUSPENSION TRUCK FOR ELECTRIC SKATEBOARD
- Publication number 20180250581
- Publication date Sep 6, 2018
- Grin Technologies Ltd.
- Justin Bruce Lemire-Elmore
- A63 - SPORTS GAMES AMUSEMENTS