Granted Patent
Utility
US 4,773,009 · App. 06/872,094
Method and apparatus for text analysis
Inventors:
Henry Kucera, Rachael Sokolowski, Jacqueline Russom
Patented Case
View Patent ↗
Granted: Sep 20, 1988
Filed: Jun 6, 1986
Inventors
Henry Kucera
Rachael Sokolowski
Jacqueline Russom
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.