Granted Patent
Utility
US 4,950,049 · App. 07/316,615
Stable package of elongated optical fiber strand material
Inventors:
Ralph J. Darsey, John W. Shea, Carl R. Taylor
Patented Case
View Patent ↗
Granted: Aug 21, 1990
Filed: Feb 28, 1989
Inventors
Ralph J. Darsey
John W. Shea
Carl R. Taylor
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.