Granted Patent
Utility
US 4,747,652 · App. 06/614,884
Optical fiber coupler
Inventors:
Bruce D. Campbell, James T. Triplett, Richard E. Tylor
Patented Case
View Patent ↗
Granted: May 31, 1988
Filed: May 25, 1984
Inventors
Bruce D. Campbell
James T. Triplett
Richard E. Tylor
Assignee (at issue)
Raychem Limited
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.