Granted Patent
Utility
US 6,092,931 · App. 09/007,934
Closure mechanism with a heat-insulating layer
Inventor:
Paul A. Tilman
Patented Case
View Patent ↗
Granted: Jul 25, 2000
Filed: Jan 16, 1998
Inventor
Paul A. Tilman
Assignee (at issue)
REYNOLDS CONSUMER PRODUCTS 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.