Granted Patent
Utility
US 4,938,027 · App. 07/432,250
Apparatus and method for defrosting refrigerator in vacation mode
Inventor:
Brian M. Midlang
Patented Case
View Patent ↗
Granted: Jul 3, 1990
Filed: Nov 6, 1989
Inventor
Brian M. Midlang
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.