Issued Patents All Time
Showing 51–71 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D615155 | Water spray gun | — | 2010-05-04 |
| D615156 | Water spray gun | — | 2010-05-04 |
| D614729 | Water spray gun | — | 2010-04-27 |
| D614730 | Water spray gun | — | 2010-04-27 |
| D604390 | Sprinkler handle | — | 2009-11-17 |
| D604389 | Sprinkler handle | — | 2009-11-17 |
| D599882 | Sprinkler base | — | 2009-09-08 |
| D585958 | Sprinkler handle | — | 2009-02-03 |
| D585109 | Sprinkler handle | — | 2009-01-20 |
| D585108 | Sprinkler handle | — | 2009-01-20 |
| D584795 | Sprinkler handle | — | 2009-01-13 |
| D584796 | Sprinkler handle | — | 2009-01-13 |
| D584380 | Sprinkler handle | — | 2009-01-06 |
| D576253 | Sprinkler | — | 2008-09-02 |
| D555228 | Sprinkler base | — | 2007-11-13 |
| D554736 | Sprinkler base | — | 2007-11-06 |
| 7284714 | Water shutoff and discharge control apparatus for sprinklers | King-Yuan Wang, Shun-Nan Lo | 2007-10-23 |
| 7258286 | Water shutoff and discharge control device for sprinklers | King-Yuan Wang, Shun-Nan Lo | 2007-08-21 |
| 5893318 | Ball bearing piston and liner | Akimi C. Cheng | 1999-04-13 |
| 5615600 | Roller bearing piston | Akimi C. Cheng | 1997-04-01 |
| 5437220 | Ball bearing piston | Michael Cheng | 1995-08-01 |