Granted Patent
Utility
US 4,962,992 · App. 07/351,984
Optical transmission media and methods of making same
Inventors:
J. Thomas Chapin, Addison G. Hardee, Jr., Lisa M. Larsen-Moss, Charles M. Leshe, Bob J. Overton, John W. Shea, Carl R. Taylor, John Turnipseed
Patented Case
View Patent ↗
Granted: Oct 16, 1990
Filed: May 15, 1989
Inventors
J. Thomas Chapin
Addison G. Hardee, Jr.
Lisa M. Larsen-Moss
Charles M. Leshe
Bob J. Overton
John W. Shea
Carl R. Taylor
John Turnipseed
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.