Granted Patent
Utility
US 6,469,910 · App. 10/012,015
Electronic device with a variable keyboard
Inventor:
Loïc Lefort
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Dec 6, 2001
Inventor
Loïc Lefort
Assignee (at issue)
KONINKLIJKE PHILIPS ELECTRONICS NV
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.