Granted Patent
Utility
US 5,424,517 · App. 08/141,724
Microwave impedance matching film for microwave cooking
Inventors:
Charles C. Habeger, Jr., Kenneth A. Pollart, Karl Josephy, James P. Rettker, Richard M. Thomas
Patented Case
View Patent ↗
Granted: Jun 13, 1995
Filed: Oct 27, 1993
Inventors
Charles C. Habeger, Jr.
Kenneth A. Pollart
Karl Josephy
James P. Rettker
Richard M. Thomas
Assignee (at issue)
James River Paper Company, 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.