Granted Patent
Utility
US 6,588,652 · App. 10/058,829
Food tray with condiment compartment
Inventor:
Liming Cai
Patented Case
View Patent ↗
Granted: Jul 8, 2003
Filed: Jan 30, 2002
Inventor
Liming Cai
Assignee (at issue)
Dopaco, 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.