Granted Patent
Utility
US 5,125,549 · App. 07/471,823
Method and apparatus for scoring and breaking an optical fiber
Inventors:
Loyd T. Blackman, Aldert S. Root, III, Thomas Whitehead
Patented Case
View Patent ↗
Granted: Jun 30, 1992
Filed: Jan 25, 1990
Inventors
Loyd T. Blackman
Aldert S. Root, III
Thomas Whitehead
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.