Granted Patent
Utility
US 4,900,124 · App. 07/283,335
Biconic optical fiber connecting device having attenuator
Inventors:
Norman R. Lampert, Naif T. Subh
Patented Case
View Patent ↗
Granted: Feb 13, 1990
Filed: Dec 12, 1988
Inventors
Norman R. Lampert
Naif T. Subh
Assignees (at issue)
American Telephone and Telegraph Company, AT&T Bell Laboratories
AT&T Technologies Incorporated
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.