Granted Patent
Utility
US 5,007,019 · App. 07/294,058
Electronic thesaurus with access history list
Inventors:
Peter L. Squillante, Julius Egyud, Abraham Karron
Patented Case
View Patent ↗
Granted: Apr 9, 1991
Filed: Jan 5, 1989
Inventors
Peter L. Squillante
Julius Egyud
Abraham Karron
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.