Granted Patent
Utility
US 5,113,340 · App. 07/199,060
Search improvements for electronic spelling machine
Inventor:
David McWherter
Patented Case
View Patent ↗
Granted: May 12, 1992
Filed: May 25, 1988
Inventor
David McWherter
Assignee (at issue)
Franklin Electronic Publishers, Incorporated
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.