Granted Patent
Utility
US 4,694,183 · App. 06/748,520
Optical isolator fabricated upon a lead frame
Inventors:
Stephen P. Merrick, Robert W. Teichner
Patented Case
View Patent ↗
Granted: Sep 15, 1987
Filed: Jun 25, 1985
Inventors
Stephen P. Merrick
Robert W. Teichner
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.