Granted Patent
Utility
US 4,984,864 · App. 07/454,085
Optical splitter having a self-contained optical source
Inventors:
Lee L. Blyler, Jr., Gary J. Grimes
Patented Case
View Patent ↗
Granted: Jan 15, 1991
Filed: Dec 21, 1989
Inventors
Lee L. Blyler, Jr.
Gary J. Grimes
Assignee (at issue)
AT&T Bell Laboratories
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.