Francis Wu

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Central Hong Kong, HK

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Patents Grantslast 30 patents

Information Patent Grant
Multiple effect pyrotechnic shell
- Patent number RE38592
- Issue date Sep 21, 2004
- Jake's Fireworks, Inc.
- Francis Wu
- 102 - Ammunition and explosives
Information Patent Grant
Multiple effect pyrotechnic shell
- Patent number 6,283,033
- Issue date Sep 4, 2001
- Jake's Fireworks
- Francis Wu
- F42 - AMMUNITION BLASTING
Information Patent Grant
Multiple effect pyrotechnic shell
- Patent number D429516
- Issue date Aug 15, 2000
- Jake's Fireworks
- Francis Wu
- D22 - Arms, pyrotechnics, hunting and fishing equipment