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Yann-Shoou Chen

UNUnknown: 1 patents #29,356 of 83,584Top 40%

Overall (All Time): #1,578,326 of 4,157,543Top 40%

3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
7611074	Water flow volume display device for watering nozzle	—	2009-11-03
7080795	Pattern switching device for garden nozzles	—	2006-07-25
7000855	Watering pattern adjustable mechanism for garden nozzles	—	2006-02-21