Troy Douglas Calderwood

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Wellsville, KS, US

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Patents Grantslast 30 patents

Information Patent Grant
Control handoff and power handling audio device
- Patent number 11,368,775
- Issue date Jun 21, 2022
- Piearcings, LLC
- Barrett Prelogar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR CUSTOMIZING SOUND AND EQUALIZATION FOR AUDIO...
- Publication number 20210185446
- Publication date Jun 17, 2021
- Troy Douglas Calderwood
- H03 - BASIC ELECTRONIC CIRCUITRY