Granted Patent
Utility
US 4,322,876 · App. 06/207,171
Device for inserting a shadow mask into the faceplate of a color-picture tube
Inventors:
Peter Schmidt, Emil Muhlberger
Patented Case
View Patent ↗
Granted: Apr 6, 1982
Filed: Nov 17, 1980
Inventors
Peter Schmidt
Emil Muhlberger
Assignee (at issue)
International Standard Electric 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.