Granted Patent
Utility
US 5,189,403 · App. 07/649,711
Integrated keyboard and pointing device system with automatic mode change
Inventors:
Patrick J. Franz, David H. Straayer
Patented Case
View Patent ↗
Granted: Feb 23, 1993
Filed: Feb 1, 1991
Inventors
Patrick J. Franz
David H. Straayer
Assignee (at issue)
Home Row, Inc.
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.