Granted Patent
Utility
US 5,438,639 · App. 08/155,268
Ion-beam deposited, gain enhanced ring resonators
Inventors:
Carol M. Ford, Theodore J. Podgorski
Patented Case
View Patent ↗
Granted: Aug 1, 1995
Filed: Nov 22, 1993
Inventors
Carol M. Ford
Theodore J. Podgorski
Assignee (at issue)
Honeywell 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.