Granted Patent
Utility
US 5,990,454 · App. 09/060,414
Lightwave oven and method of cooking therewith having multiple cook modes and sequential lamp operation
Inventors:
Eugene R. Westerberg, Donald Pettibone, Gay Winterringer
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Apr 14, 1998
Inventors
Eugene R. Westerberg
Donald Pettibone
Gay Winterringer
Assignee (at issue)
Quadlux, 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.