Granted Patent
Utility
US 6,541,738 · App. 10/251,074
Portable food container with incorporated heaters
Inventor:
Louis Casasola
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Sep 20, 2002
Inventor
Louis Casasola
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.