Granted Patent
Utility
US 5,867,521 · App. 08/805,412
Curved grating surface-emitting distributed feedback laser
Inventor:
Steven H. Macomber
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Feb 26, 1997
Inventor
Steven H. Macomber
Assignee (at issue)
Raytheon Company
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.