Granted Patent
Utility
US 5,000,592 · App. 07/264,469
Envelope addressing format feature for electronic typewriters
Inventor:
Charles R. Grady
Patented Case
View Patent ↗
Granted: Mar 19, 1991
Filed: Oct 28, 1988
Inventor
Charles R. Grady
Assignee (at issue)
International Business Machines Corporation
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.