Granted Patent
Utility
US 4,837,775 · App. 07/115,672
Electro-optic device having a laterally varying region
Inventors:
James T. Andrews, Ivan Ladany
Patented Case
View Patent ↗
Granted: Jun 6, 1989
Filed: Nov 2, 1987
Inventors
James T. Andrews
Ivan Ladany
Assignee (at issue)
General Electric Company
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.