Granted Patent
Utility
US 6,373,469 · App. 09/370,874
Radio frequency computer mouse
Inventor:
Cheng-Hsiung Chen
Patented Case
View Patent ↗
Granted: Apr 16, 2002
Filed: Aug 10, 1999
Inventor
Cheng-Hsiung Chen
Assignee (at issue)
DEXIN CORP.
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.