Granted Patent
Utility
US 5,266,763 · App. 07/690,189
Recyclable microwavable container with a removable outer shell
Inventor:
Edward A. Colombo
Patented Case
View Patent ↗
Granted: Nov 30, 1993
Filed: Apr 16, 1991
Inventor
Edward A. Colombo
Assignee (at issue)
Mobil Oil Corporation
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.