Granted Patent
Utility
US 4,358,017 · App. 06/199,180
Mail direction system
Inventor:
Rolf B. Erikson
Patented Case
View Patent ↗
Granted: Nov 9, 1982
Filed: Oct 21, 1980
Inventor
Rolf B. Erikson
Assignee (at issue)
Bell and Howell, LLC
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.