Granted Patent
Utility
US 4,966,862 · App. 07/400,279
Method of production of light emitting diodes
Inventor:
John Edmond
Patented Case
View Patent ↗
Granted: Oct 30, 1990
Filed: Aug 28, 1989
Inventor
John Edmond
Assignee (at issue)
Cree Research 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.