Gopal M. Chopra

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Bihar, IN

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing improved gelatine explosive compositions
- Patent number 4,233,095
- Issue date Nov 11, 1980
- Indian Explosives Limited
- Bidhan C. Ghosh
- C06 - EXPLOSIVES MATCHES
Information Patent Grant
Gelatine explosive compositions
- Patent number 4,180,425
- Issue date Dec 25, 1979
- Indian Explosives Limited
- Bidhan C. Ghosh
- C06 - EXPLOSIVES MATCHES