Himangshu Rai Vaish

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New Delhi, IN

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Patents Applicationslast 30 patents

Information Patent Application
Systems and methods for solar based battery charging
- Publication number 20110266993
- Publication date Nov 3, 2011
- Himangshu Rai Vaish
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SIGNALING SYSTEM
- Publication number 20060259202
- Publication date Nov 16, 2006
- Himangshu Rai Vaish
- B61 - RAILWAYS