Granted Patent
Utility
US 5,245,321 · App. 07/855,531
Integrated keyboard system with typing and pointing modes of operation
Inventors:
Patrick J. Franz, David H. Straayer
Patented Case
View Patent ↗
Granted: Sep 14, 1993
Filed: Mar 20, 1992
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.