Granted Patent
Utility
US 5,285,513 · App. 07/983,491
Optical fiber cable provided with stabilized waterblocking material
Inventors:
Stanley L. Kaufman, Jim J. Sheu
Patented Case
View Patent ↗
Granted: Feb 8, 1994
Filed: Nov 30, 1992
Inventors
Stanley L. Kaufman
Jim J. Sheu
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.