Granted Patent
Utility
US 4,211,838 · App. 05/827,470
Method of high sensitivity imaging and imaging film therefor
Inventors:
Masatsugu Izu, Vincent D. Cannella
Patented Case
View Patent ↗
Granted: Jul 8, 1980
Filed: Aug 25, 1977
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.