Granted Patent
Utility
US 4,697,057 · App. 06/745,669
Electrically operated control device and system for a microwave oven and method of making the same
Inventor:
Daniel L. Fowler
Patented Case
View Patent ↗
Granted: Sep 29, 1987
Filed: Jun 17, 1985
Inventor
Daniel L. Fowler
Assignee (at issue)
ROBERTSHAW CONTROLS PRIVATE LIMITED
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.