Granted Patent
Utility
US 4,137,078 · App. 05/891,498
Method of continuous tone imaging using dispersion imaging material
Inventors:
Masatsuga Izu, Stanford R. Ovshinsky
Patented Case
View Patent ↗
Granted: Jan 30, 1979
Filed: Mar 30, 1978
Inventors
Masatsuga Izu
Stanford R. Ovshinsky
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.