Granted Patent
Utility
US 5,568,877 · App. 08/383,525
Method of manufacture for container for hot food
Inventor:
Frederick A. Rench
Patented Case
View Patent ↗
Granted: Oct 29, 1996
Filed: Feb 3, 1995
Inventor
Frederick A. Rench
Assignee (at issue)
Boise Cascade Company
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.