Granted Patent
Utility
US 4,525,615 · App. 06/571,158
Method for microwave defrosting
Inventor:
Alvin D. Wyland
Patented Case
View Patent ↗
Granted: Jun 25, 1985
Filed: Jan 16, 1984
Inventor
Alvin D. Wyland
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.