Granted Patent
Utility
US 4,448,877 · App. 06/392,576
Tellurium imaging composition including water
Inventor:
Terry T. Yu
Patented Case
View Patent ↗
Granted: May 15, 1984
Filed: Jun 28, 1982
Inventor
Terry T. Yu
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.