IP Library › Granted Patent US 4,289,994
Granted Patent Utility
US 4,289,994 · App. 06/077,432

Vertical drive circuit for video display

Inventors: Gregory J. Beaumont, Lloyd E. Matthews
Patented Case View Patent ↗
Granted: Sep 15, 1981 Filed: Sep 20, 1979
Inventors
Gregory J. Beaumont
Lloyd E. Matthews
Assignee (at issue)
Zenith Radio Corporation

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Quick Facts
Patent No.
US 4,289,994
App. No.
06/077,432
Filed
1979-09-20
Granted
1981-09-15
Kind
A