Granted Patent
Utility
US 5,175,785 · App. 07/694,652
Optical waveguides having reduced bending loss and method of making the same
Inventor:
Franklin W. Dabby
Patented Case
View Patent ↗
Granted: Dec 29, 1992
Filed: May 2, 1991
Inventor
Franklin W. Dabby
Assignee (at issue)
Ensign-Bickford Optical Technologies, Inc.
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.