LI-JEN FENG

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Taipei City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Near-sighted lens of wide-vision diving mirror
- Patent number 7,172,278
- Issue date Feb 6, 2007
- Li-Jen Feng
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Snorkel mouthpiece set
- Patent number 7,089,929
- Issue date Aug 15, 2006
- Li-Jen Feng
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Self-sealing, non-glued removable watertight lens assembly method o...
- Patent number 6,921,165
- Issue date Jul 26, 2005
- Li-Jen Feng
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Mask tightening strap
- Patent number 6,820,615
- Issue date Nov 23, 2004
- Li-Jen Feng
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

Information Patent Application
TIGHTENING STRAP OF A DIVING FLIPPER
- Publication number 20120102692
- Publication date May 3, 2012
- LI-JEN FENG
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Near-sighted lens of wide-vision diving mirror
- Publication number 20060227284
- Publication date Oct 12, 2006
- Li-Jen Feng
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT