Granted Patent
Utility
US 4,481,753 · App. 06/331,515
Bag filler-capper
Inventors:
Christopher C. Rutter, Gerald R. Hill
Patented Case
View Patent ↗
Granted: Nov 13, 1984
Filed: Dec 17, 1981
Inventors
Christopher C. Rutter
Gerald R. Hill
Assignee (at issue)
Champion International Corporation 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.