Granted Patent
Utility
US 6,613,996 · App. 10/038,808
Low-noise key switch and keyboard thereof
Inventor:
Tong-Hsueh Lee
Patented Case
View Patent ↗
Granted: Sep 2, 2003
Filed: Jan 8, 2002
Inventor
Tong-Hsueh Lee
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.