Kazumine Kumada

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Charlotte, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Self-propelled skateboard
- Patent number 10,463,948
- Issue date Nov 5, 2019
- Kazumine Kumada
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
Self-propelled skateboard
- Publication number 20190336847
- Publication date Nov 7, 2019
- Kazumine Kumada
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Self-propelled skateboard
- Publication number 20180207511
- Publication date Jul 26, 2018
- Kazumine Kumada
- A63 - SPORTS GAMES AMUSEMENTS