JC

Jung-Hsien Chang

Overall (All Time): #524,686 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
6363578 Handle of pistol nozzle 2002-04-02
D453463 Handle 2002-02-12
6341737 Pistol nozzle 2002-01-29
D447789 Water gun handle 2001-09-11
6279839 Pistol nozzle 2001-08-28
D427280 Lawn sprinkler 2000-06-27
D420555 Shears 2000-02-15
5970617 Stepped tree pruner 1999-10-26
5950314 Step-separating shearing tool 1999-09-14
D413773 Tree Pruner 1999-09-14