Granted Patent
Utility
US 4,242,439 · App. 06/079,377
Dispersion imaging utilizing plural layers of different metal components
Inventors:
Masatsugu Izu, Vincent D. Cannella
Patented Case
View Patent ↗
Granted: Dec 30, 1980
Filed: Sep 27, 1979
Inventors
Masatsugu Izu
Vincent D. Cannella
Assignee (at issue)
Energy Conversion Devices, 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.