Granted Patent
Utility
US 4,492,894 · App. 06/542,090
Electron-beam forming system for multi-beam cathode-ray tubes
Inventors:
Hans Reule, Hartmut Ganzle, Horst Vogel
Patented Case
View Patent ↗
Granted: Jan 8, 1985
Filed: Oct 17, 1983
Inventors
Hans Reule
Hartmut Ganzle
Horst Vogel
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.