Granted Patent
Utility
US 5,321,713 · App. 07/906,242
Aluminum gallium nitride laser
Inventors:
Muhammad A. Khan, James M. VanHove, Donald T. Olson
Patented Case
View Patent ↗
Granted: Jun 14, 1994
Filed: Jun 29, 1992
Inventors
Muhammad A. Khan
James M. VanHove
Donald T. Olson
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.