Granted Patent
Utility
US 6,551,850 · App. 09/698,557
Optically nonlinear semiconductor material and a method for the production thereof
Inventors:
Ursula Keller, Uwe Siegner, Markus Haiml
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Oct 27, 2000
Inventors
Ursula Keller
Uwe Siegner
Markus Haiml
Assignee (at issue)
GIGATERA INC.
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.