Granted Patent
Utility
US 5,221,562 · App. 07/769,392
Liquid transfer articles and method for producing them
Inventor:
Russell Morgan
Patented Case
View Patent ↗
Granted: Jun 22, 1993
Filed: Oct 1, 1991
Inventor
Russell Morgan
Assignee (at issue)
Praxair S.T. Technology, 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.