Granted Patent
Utility
US 5,079,773 · App. 07/641,389
Tailored cross section optical waveguide laser array
Inventor:
Richard A. Hart
Patented Case
View Patent ↗
Granted: Jan 7, 1992
Filed: Jan 15, 1991
Inventor
Richard A. Hart
Assignee (at issue)
UNITED TECHNOLOGIES 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.