Samir Gupta

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Rajasthan, IN

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Patents Grantslast 30 patents

Information Patent Grant
Process for imparting and enhancement of colours in gemstone minera...
- Patent number 6,872,422
- Issue date Mar 29, 2005
- Samir Gupta
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
Process for imparting and enhancement of colours in gemstone minera...
- Publication number 20030008077
- Publication date Jan 9, 2003
- Samir Gupta
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...