Granted Patent
Utility
US 5,678,053 · App. 08/315,239
Grammar checker interface
Inventor:
David B. Anderson
Patented Case
View Patent ↗
Granted: Oct 14, 1997
Filed: Sep 29, 1994
Inventor
David B. Anderson
Assignee (at issue)
Mitsubishi Electric Information Technology Center America, Inc. (ITA)
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.