IP Library › Granted Patent US 5,150,419
Granted Patent Utility
US 5,150,419 · App. 07/762,893

Calotte-type treble loudspeaker

Inventors: Ulrich Kizak, Kurt Leipold
Patented Case View Patent ↗
Granted: Sep 22, 1992 Filed: Sep 19, 1991
Inventors
Ulrich Kizak
Kurt Leipold
Assignee (at issue)
Nokia Unterhaltungselektronik GmbH

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Quick Facts
Patent No.
US 5,150,419
App. No.
07/762,893
Filed
1991-09-19
Granted
1992-09-22
Kind
A