Granted Patent
Utility
US 6,455,992 · App. 09/290,322
Color picture tube having a low expansion tension mask attached to a higher expansion frame
Inventors:
Mark Allen Thomson, Edward Richard Garrity, Jr., James Francis Edwards
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Apr 12, 1999
Inventors
Mark Allen Thomson
Edward Richard Garrity, Jr.
James Francis Edwards
Assignee (at issue)
Thomson Licensing
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.