IP Library › Granted Patent US 4,247,871
Granted Patent Utility
US 4,247,871 · App. 05/947,172

Filter arrangement for cathode ray tube

Inventors: Ulrich Hirsch, Walter Hardt
Patented Case View Patent ↗
Granted: Jan 27, 1981 Filed: Sep 28, 1978
Inventors
Ulrich Hirsch
Walter Hardt
Assignee (at issue)
Nixdorf Computer AG

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Quick Facts
Patent No.
US 4,247,871
App. No.
05/947,172
Filed
1978-09-28
Granted
1981-01-27
Kind
A