WH

Wang Hsin-Fa

Overall (All Time): #588,513 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6209807 Quickly installed spray nozzle 2001-04-03
D437389 Gardening sprayer base 2001-02-06
D434106 Sprinkler 2000-11-21
D432207 Horticulture spray seat 2000-10-17
6129294 Water nozzle control valve seat 2000-10-10
D422054 Water sprayer gun 2000-03-28
D412556 Horticulture spray seat 1999-08-03
D410995 Water spray gun 1999-06-15
5833143 Garden hose nozzle 1998-11-10