Granted Patent
Utility
US 5,869,817 · App. 08/813,818
Tunable cavity microwave applicator
Inventors:
Douglas A. Zietlow, Terry G. Reishus
Patented Case
View Patent ↗
Granted: Feb 9, 1999
Filed: Mar 6, 1997
Inventors
Douglas A. Zietlow
Terry G. Reishus
Assignee (at issue)
General Mills, 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.