Granted Patent
Utility
US 4,280,109 · App. 06/096,750
Efficient frequency converter utilizing higher order Stokes-Raman scattering
Inventor:
Eddy A. Stappaerts
Patented Case
View Patent ↗
Granted: Jul 21, 1981
Filed: Nov 23, 1979
Inventor
Eddy A. Stappaerts
Assignee (at issue)
Northrop Corporation
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.