Granted Patent
Utility
US 4,408,243 · App. 06/295,151
Tape cleaner
Inventors:
Clive E. Bonner, Herbert F. Sanford
Patented Case
View Patent ↗
Granted: Oct 4, 1983
Filed: Aug 21, 1981
Inventors
Clive E. Bonner
Herbert F. Sanford
Assignee (at issue)
Honeywell Limited
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.