Granted Patent
Utility
US 6,323,445 · App. 09/561,215
Membrane switch structure providing electrostatic discharge protection
Inventor:
Dawson Yee
Patented Case
View Patent ↗
Granted: Nov 27, 2001
Filed: Apr 28, 2000
Inventor
Dawson Yee
Assignee (at issue)
Microsoft 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.