Granted Patent
Utility
US 4,661,671 · App. 06/817,241
Package assembly with heater panel and method for storing and microwave heating of food utilizing same
Inventor:
Raymond V. Maroszek
Patented Case
View Patent ↗
Granted: Apr 28, 1987
Filed: Jan 8, 1986
Inventor
Raymond V. Maroszek
Assignee (at issue)
James River 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.