David W. Gunness

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Sutton, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Passive cardioid speaker
- Patent number 10,123,111
- Issue date Nov 6, 2018
- Fulcrum Acoustic, LLC
- David W. Gunness
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Creating digital signal processing (DSP) filters to improve loudspe...
- Patent number 8,081,766
- Issue date Dec 20, 2011
- LOUD Technologies Inc.
- David W. Gunness
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Large scale sound reproduction system having cross-cabinet horizont...
- Patent number 6,016,353
- Issue date Jan 18, 2000
- Eastern Acoustic Works, Inc.
- David W. Gunness
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Down-fill speaker for large scale sound reproduction system
- Patent number 6,009,182
- Issue date Dec 28, 1999
- Eastern Acoustic Works, Inc.
- David W. Gunness
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Passive Cardioid Speaker
- Publication number 20170353787
- Publication date Dec 7, 2017
- Fulcrum Acoustic, LLC
- David W. Gunness
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Creating digital signal processing (DSP) filters to improve loudspe...
- Publication number 20070223713
- Publication date Sep 27, 2007
- David W. Gunness
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOW FREQUENCY HORN
- Publication number 20040003961
- Publication date Jan 8, 2004
- Mackie Designs Inc.
- David W. Gunness
- H04 - ELECTRIC COMMUNICATION TECHNIQUE