Granted Patent
Utility
US 5,164,697 · App. 07/679,609
Input keyboard for an electronic appliance in entertainment electronics
Inventor:
Richard H. Kramer
Patented Case
View Patent ↗
Granted: Nov 17, 1992
Filed: Apr 3, 1991
Inventor
Richard H. Kramer
Assignee (at issue)
Nokia Unterhaltungselektronik GmbH
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.