Li Yi

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Liling City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Group firing system for firework unit
- Patent number 7,051,657
- Issue date May 30, 2006
- Li Yi
- F42 - AMMUNITION BLASTING

Patents Applicationslast 30 patents

Information Patent Application
PYRO-CUBE FIREWORKS
- Publication number 20180106580
- Publication date Apr 19, 2018
- CHILI FIREWORKS CO., LTD,
- YI LI
- F42 - AMMUNITION BLASTING
Information Patent Application
Group firing system for firework unit
- Publication number 20040055493
- Publication date Mar 25, 2004
- Li Yi
- F42 - AMMUNITION BLASTING