Patents by Inventor Martha Ann Keels

Martha Ann Keels has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Dental retainer with pH sensor
    Patent number: 11504060
    Abstract: An oral insert includes at least one pH sensor in electronic communication with a power source and a data transceiver. The pH sensor is exposed to fluids in the patient's mouth and measures the pH of the fluids to determine fluid composition.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: November 22, 2022
    Assignee: Martha Ann Keels
    Inventor: Martha Ann Keels
  • Dental Retainer with pH Sensor
    Publication number: 20180368766
    Abstract: An oral insert includes at least one pH sensor in electronic communication with a power source and a data transceiver. The pH sensor is exposed to fluids in the patient's mouth and measures the pH of the fluids to determine fluid composition.
    Type: Application
    Filed: June 23, 2017
    Publication date: December 27, 2018
    Inventor: Martha Ann Keels