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Patents Grantslast 30 patents

Information Patent Grant
Sound-absorbent foam system
- Patent number 9,279,054
- Issue date Mar 8, 2016
- Preform GmbH
- Uwe Schoenfeld
- E04 - BUILDING
Information Patent Grant
Adaptive noise generating device
- Patent number 8,611,576
- Issue date Dec 17, 2013
- Preform GmbH
- Udo Borgmann
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Connection element for connecting two components of a partition wal...
- Patent number 6,599,055
- Issue date Jul 29, 2003
- Preform GmbH
- Karl-Heinz Auer
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
ADAPTIVE NOISE GENERATING DEVICE
- Publication number 20110211721
- Publication date Sep 1, 2011
- PREFORM GMBH
- Udo Borgmann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SOUND-ABSORBENT FOAM SYSTEM
- Publication number 20110057144
- Publication date Mar 10, 2011
- PREFORM GMBH
- Uwe Schoenfeld
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Trademarklast 30 trademarks