Granted Patent
Utility
US 4,233,271 · App. 06/026,058
Arrangement for the sterilizing of a packing material web
Inventors:
Ernst G. Ernstsson, Alfred Fuchs
Patented Case
View Patent ↗
Granted: Nov 11, 1980
Filed: Apr 2, 1979
Inventors
Ernst G. Ernstsson
Alfred Fuchs
Assignee (at issue)
Tetra Pak International AB
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.