Granted Patent
Utility
US 4,821,276 · App. 07/040,979
Super-luminescent diode
Inventors:
Gerard A. Alphonse, Frank Z. Hawrylo, Maria Harvey
Patented Case
View Patent ↗
Granted: Apr 11, 1989
Filed: Apr 20, 1987
Inventors
Gerard A. Alphonse
Frank Z. Hawrylo
Maria Harvey
Assignee (at issue)
General Electric 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.