Granted Patent
Utility
US 6,371,340 · App. 09/831,732
Dispensing closures
Inventors:
David Dennis Pateman, Christopher Paul Ramsey
Patented Case
View Patent ↗
Granted: Apr 16, 2002
Filed: May 15, 2001
Inventors
David Dennis Pateman
Christopher Paul Ramsey
Assignee (at issue)
Crown Cork & Seal Technologies Corporation
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.