Granted Patent
Utility
US 5,697,410 · App. 08/528,394
Liquid container valve structures for use with service-line connectors
Inventors:
Christopher C. Rutter, Lamar Spalding
Patented Case
View Patent ↗
Granted: Dec 16, 1997
Filed: Sep 13, 1995
Inventors
Christopher C. Rutter
Lamar Spalding
Assignee (at issue)
Packaging Systems LLC
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.