Granted Patent
Utility
US 6,772,894 · App. 09/936,817
Closure with seal member
Inventors:
Rodney Druitt, David Edward Foster, Reginald Denny
Patented Case
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Granted: Aug 10, 2004
Filed: Feb 20, 2002
Inventors
Rodney Druitt
David Edward Foster
Reginald Denny
Assignee (at issue)
Closures and Packaging Services 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.