Alexander PIETSCHMANN

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Patents Grantslast 30 patents

Information Patent Grant
Loudspeaker box arrangement and loudspeaker box
- Patent number 9,860,619
- Issue date Jan 2, 2018
- ADAM HALL GMBH
- Alexander Pietschmann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Active Loudspeaker Column System
- Publication number 20170171649
- Publication date Jun 15, 2017
- Adam Hall GmbH
- Alexander PIETSCHMANN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
LOUDSPEAKER BOX ARRANGEMENT AND LOUDSPEAKER BOX
- Publication number 20160192046
- Publication date Jun 30, 2016
- ADAM HALL GMBH
- Alexander PIETSCHMANN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE