Granted Patent
Utility
US 4,388,633 · App. 06/191,558
Monolithic transistor coupled electroluminescent diode
Inventor:
Prahalad K. Vasudev
Patented Case
View Patent ↗
Granted: Jun 14, 1983
Filed: Sep 29, 1980
Inventor
Prahalad K. Vasudev
Assignee (at issue)
Hughes Aircraft Company
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.