Granted Patent
Utility
US 6,047,852 · App. 09/183,755
Hot beverage lid with thermal flex-guards
Inventors:
Michael Evans, Johnny B. Strunk, John Kevin Bruce
Patented Case
View Patent ↗
Granted: Apr 11, 2000
Filed: Oct 30, 1998
Inventors
Michael Evans
Johnny B. Strunk
John Kevin Bruce
Assignee (at issue)
Waddington North America, 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.