Granted Patent
Utility
US 6,811,843 · App. 09/923,332
Insulated beverage or food container
Inventors:
John Charles DeBraal, John MacKay Lazar
Patented Case
View Patent ↗
Granted: Nov 2, 2004
Filed: Aug 8, 2001
Inventors
John Charles DeBraal
John MacKay Lazar
Assignee (at issue)
Appleton Papers 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.