Granted Patent
Utility
US 4,879,479 · App. 07/081,785
Poly-yne nonlinear optical materials
Inventors:
Claude C. Frazier, Shekhar Guha, Wenpeng Chen
Patented Case
View Patent ↗
Granted: Nov 7, 1989
Filed: Aug 5, 1987
Inventors
Claude C. Frazier
Shekhar Guha
Wenpeng Chen
Assignee (at issue)
LOCKHEED MARTIN 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.