Granted Patent
Utility
US 5,519,984 · App. 08/405,484
Methods for packaging a pressure or vacuum sensitive product
Inventors:
Donald R. Beussink, Ronald W. Hagen
Patented Case
View Patent ↗
Granted: May 28, 1996
Filed: Mar 16, 1995
Inventors
Donald R. Beussink
Ronald W. Hagen
Assignee (at issue)
MallincKrodt Medical, Inc.
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.