Granted Patent
Utility
US 4,779,398 · App. 07/011,796
Method and apparatus for making gas flushed packages
Inventors:
James L. Glandon, Joseph E. Owensby
Patented Case
View Patent ↗
Granted: Oct 25, 1988
Filed: Feb 6, 1987
Inventors
James L. Glandon
Joseph E. Owensby
Assignee (at issue)
W. R. Grace & Co.-Conn., Cryovac Div.
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.