Granted Patent
Utility
US 4,797,896 · App. 07/075,565
Solid state optical ring resonator and laser using same
Inventor:
Thomas J. Kane
Patented Case
View Patent ↗
Granted: Jan 10, 1989
Filed: Jul 20, 1987
Inventor
Thomas J. Kane
Assignee (at issue)
Lightwave Electronics
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.