Granted Patent
Utility
US 4,518,984 · App. 06/471,075
Device for flicker-free reproduction of television pictures and text and graphics pages
Inventor:
Helmut Mitschke
Patented Case
View Patent ↗
Granted: May 21, 1985
Filed: Mar 1, 1983
Inventor
Helmut Mitschke
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.