Granted Patent
Utility
US 6,536,721 · App. 09/859,633
Revolving support stand with electrical power outlet
Inventor:
Cheung Chong Kao
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: May 18, 2001
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.