Granted Patent
Utility
US 4,798,438 · App. 06/918,966
Method of making a single-mode evanescent-wave coupler having reduced wavelength dependence
Inventors:
Douglas R. Moore, Mark E. Marcus
Patented Case
View Patent ↗
Granted: Jan 17, 1989
Filed: Oct 15, 1986
Inventors
Douglas R. Moore
Mark E. Marcus
Assignee (at issue)
Gould 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.