Richard Keeler

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Gardena, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Modular acoustic sound processor
- Patent number 9,899,017
- Issue date Feb 20, 2018
- Richard Keeler
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Modular Acoustic Sound Processor
- Publication number 20180144733
- Publication date May 24, 2018
- Richard Keeler
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Modular Acoustic Sound Processor
- Publication number 20170018266
- Publication date Jan 19, 2017
- Richard Keeler
- G10 - MUSICAL INSTRUMENTS ACOUSTICS