Granted Patent
Utility
US 5,266,949 · App. 07/954,465
Lighted electronic keyboard
Inventor:
Markku Rossi
Patented Case
View Patent ↗
Granted: Nov 30, 1993
Filed: Sep 30, 1992
Inventor
Markku Rossi
Assignee (at issue)
Nokia Mobile Phones Ltd.
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.