Granted Patent
Utility
US 6,630,927 · App. 09/783,285
Keyboard key discrimination employing drive line/sense line combinations and accomodating simultaneous key press conditions
Inventors:
Nathan C. Sherman, Dawson Yee, Christopher R. Bagin
Patented Case
View Patent ↗
Granted: Oct 7, 2003
Filed: Feb 15, 2001
Inventors
Nathan C. Sherman
Dawson Yee
Christopher R. Bagin
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.