Granted Patent
Utility
US 5,218,536 · App. 07/459,942
Electronic spelling machine having ordered candidate words
Inventor:
David McWherter
Patented Case
View Patent ↗
Granted: Jun 8, 1993
Filed: Jan 2, 1990
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.