IP Library › Granted Patent US 5,143,169
Granted Patent Utility
US 5,143,169 · App. 07/577,002

Loudspeaker diaphragm provided with a rear load

Inventors: Alfred Ziegenberg, Edmund Schiessle
Patented Case View Patent ↗
Granted: Sep 1, 1992 Filed: Sep 4, 1990
Inventors
Alfred Ziegenberg
Edmund Schiessle
Assignee (at issue)
MERCEDES-BENZ GROUP AG

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Quick Facts
Patent No.
US 5,143,169
App. No.
07/577,002
Filed
1990-09-04
Granted
1992-09-01
Kind
A