Granted Patent
Utility
US 4,771,401 · App. 06/846,366
Apparatus and method for linguistic expression processing
Inventors:
Ilia Kaufman, Henry Kucera
Patented Case
View Patent ↗
Granted: Sep 13, 1988
Filed: Mar 31, 1986
Inventors
Ilia Kaufman
Henry Kucera
Assignee (at issue)
Houghton Mifflin Company
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.