Granted Patent
Utility
US 5,092,137 · App. 07/701,276
Refrigerator cold air duct apparatus
Inventor:
Kyle B. Elsom
Patented Case
View Patent ↗
Granted: Mar 3, 1992
Filed: May 16, 1991
Inventor
Kyle B. Elsom
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.