Granted Patent
Utility
US 4,630,890 · App. 06/506,594
Exposed core optical fibers, and method of making same
Inventors:
Arthur Ashkin, Rogers H. Stolen
Patented Case
View Patent ↗
Granted: Dec 23, 1986
Filed: Jun 22, 1983
Inventors
Arthur Ashkin
Rogers H. Stolen
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.