Martha Ann Keels

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Chapel Hill, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Dental retainer with pH sensor
- Patent number 11,504,060
- Issue date Nov 22, 2022
- Martha Ann Keels
- Martha Ann Keels
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Dental Retainer with pH Sensor
- Publication number 20180368766
- Publication date Dec 27, 2018
- Martha Ann Keels
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE