Granted Patent
Utility
US 5,097,175 · App. 07/532,813
Thin film phosphor screen structure
Inventor:
Nils I. Thomas
Patented Case
View Patent ↗
Granted: Mar 17, 1992
Filed: Jun 4, 1990
Inventor
Nils I. Thomas
Assignee (at issue)
ITT 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.