Granted Patent
Utility
US 5,259,057 · App. 07/853,238
Waveguide array and method for contrast enhancement
Inventor:
Lee Melbourne Cook
Patented Case
View Patent ↗
Granted: Nov 2, 1993
Filed: Mar 18, 1992
Inventor
Lee Melbourne Cook
Assignee (at issue)
Galileo Electro-Optics 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.