Granted Patent
Utility
US 5,559,589 · App. 08/468,981
Keying method and apparatus
Inventors:
David Eichberger, Nicholas G. Forlenza
Patented Case
View Patent ↗
Granted: Sep 24, 1996
Filed: Jun 6, 1995
Inventors
David Eichberger
Nicholas G. Forlenza
Assignee (at issue)
Compaq Computer 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.