Robert Keith Sim

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Georgetown, CA

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Patents Grantslast 30 patents

Information Patent Grant
Spark plug and manufacturing method thereof
- Patent number 11,158,997
- Issue date Oct 26, 2021
- NANO SPARK, INC.
- Thomas L. Herriges
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SPARK PLUG AND MANUFACTURING METHOD THEREOF
- Publication number 20200388993
- Publication date Dec 10, 2020
- Nano Spark Inc.
- Thomas L. Herriges
- H01 - BASIC ELECTRIC ELEMENTS