Granted Patent
Utility
US 6,794,825 · App. 10/294,088
Decorative tree with electronic light controller
Inventor:
Cheung Chong Kao
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Nov 14, 2002
Inventor
Cheung Chong Kao
Assignee (at issue)
Boto Licenses Limited
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.