Granted Patent
Utility
US 4,293,369 · App. 06/005,903
Machine for the application of suction tubes to packing containers
Inventors:
Rolf M. Dilot, Jan Hakansson
Patented Case
View Patent ↗
Granted: Oct 6, 1981
Filed: Jan 23, 1979
Inventors
Rolf M. Dilot
Jan Hakansson
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.