Granted Patent
Utility
US 5,111,328 · App. 07/626,498
Electromagnetic radiation modulating device
Inventor:
Hulya Demiryont
Patented Case
View Patent ↗
Granted: May 5, 1992
Filed: Dec 12, 1990
Inventor
Hulya Demiryont
Assignee (at issue)
Ford Motor 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.