Granted Patent
Utility
US 4,870,836 · App. 07/319,502
Air flow control for glass top refrigerator container
Inventor:
John J. Pink
Patented Case
View Patent ↗
Granted: Oct 3, 1989
Filed: Mar 6, 1989
Inventor
John J. Pink
Assignee (at issue)
Amana Refrigeration, 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.