CHENGXIN DU

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DEQING, CN

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Patents Grantslast 30 patents

Information Patent Grant
Device and method of recoil reduction for air guns
- Patent number 10,767,959
- Issue date Sep 8, 2020
- XISICO USA, INC
- Xiaoping Ji
- F41 - WEAPONS

Patents Applicationslast 30 patents

Information Patent Application
Device and Method of Recoil Reduction for Air Guns
- Publication number 20170184372
- Publication date Jun 29, 2017
- XISICO USA, INC.
- XIAOPING JI
- F41 - WEAPONS