Granted Patent
Utility
US 4,893,893 · App. 07/154,424
Strengthened buffered optical fiber
Inventors:
James D. Claxton, Gerald A. Scheidt, Stanley C. Shores
Patented Case
View Patent ↗
Granted: Jan 16, 1990
Filed: Feb 8, 1988
Inventors
James D. Claxton
Gerald A. Scheidt
Stanley C. Shores
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.