Granted Patent
Utility
US 5,111,028 · App. 07/405,433
Method and control arrangement for cooking appliances
Inventor:
Duane A. Lee
Patented Case
View Patent ↗
Granted: May 5, 1992
Filed: Sep 11, 1989
Inventor
Duane A. Lee
Assignee (at issue)
White Consolidated Industries, 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.