Granted Patent
Utility
US 5,148,243 · App. 07/721,069
Optical isolator with encapsulation
Inventors:
Stephen P. Merrick, Robert W. Teichner
Patented Case
View Patent ↗
Granted: Sep 15, 1992
Filed: Jun 26, 1991
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.