Granted Patent
Utility
US 6,188,046 · App. 09/313,793
Food-heating appliance and method of using same
Inventor:
Mary Kathleen Barrow
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: May 18, 1999
Inventor
Mary Kathleen Barrow
Assignee (at issue)
RIVAL
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.