Granted Patent
Utility
US 4,526,599 · App. 06/297,213
Optical fiber fabrication process
Inventors:
Robert L. Barns, Arthur D. Pearson
Patented Case
View Patent ↗
Granted: Jul 2, 1985
Filed: Aug 28, 1981
Inventors
Robert L. Barns
Arthur D. Pearson
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.