Granted Patent
Utility
US 6,632,039 · App. 09/908,122
Keycap assembly
Inventor:
Winky Lin
Patented Case
View Patent ↗
Granted: Oct 14, 2003
Filed: Jul 18, 2001
Inventor
Winky Lin
Assignee (at issue)
Silitek Corporation
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.