Granted Patent
Utility
US 5,195,151 · App. 07/628,597
Optical fiber couplers and methods of their manufacture
Inventors:
Daniel R. Campbell, Jr., David W. Stowe
Patented Case
View Patent ↗
Granted: Mar 16, 1993
Filed: Dec 17, 1990
Inventors
Daniel R. Campbell, Jr.
David W. Stowe
Assignee (at issue)
Aster Co., Ltd.
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.