Granted Patent
Utility
US 5,229,936 · App. 07/638,067
Device and method for the storage and retrieval of inflection information for electronic reference products
Inventors:
Joseph Decker, Edward Oswalt, David Justice
Patented Case
View Patent ↗
Granted: Jul 20, 1993
Filed: Jan 4, 1991
Inventors
Joseph Decker
Edward Oswalt
David Justice
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.