Granted Patent
Utility
US 4,971,418 · App. 07/401,215
Apparatus and method for making low-loss permanent optical fiber splices
Inventors:
Carl S. Dorsey, Paul C. Michaelis
Patented Case
View Patent ↗
Granted: Nov 20, 1990
Filed: Aug 31, 1989
Inventors
Carl S. Dorsey
Paul C. Michaelis
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.