Calhoun Ernst ZABEL

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Vancouver, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for optimizing sound quality of a generated au...
- Patent number 11,277,689
- Issue date Mar 15, 2022
- Logitech Europe S.A.
- Calhoun Ernst Zabel
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
WINDOW CONTAINING SPEAKER DESIGN
- Publication number 20250133333
- Publication date Apr 24, 2025
- Logitech Europe S.A.
- Charles Edmond DUGGER
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND METHOD FOR OPTIMIZING SOUND QUALITY OF A GENERATED AU...
- Publication number 20210266667
- Publication date Aug 26, 2021
- Logitech Europe S.A.
- Calhoun Ernst ZABEL
- H04 - ELECTRIC COMMUNICATION TECHNIQUE