Patents by Inventor Mary E. Mayfield

Mary E. Mayfield 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).

  • Patent number: 5261702
    Abstract: The disclosure is directed to a chart listing medications, dosage times, and notes. Tactile and visual medication symbols and marking elements denote specific times for taking specific medications. Medication containers are similarly marked.
    Type: Grant
    Filed: February 7, 1992
    Date of Patent: November 16, 1993
    Assignee: M M & K, Inc.
    Inventor: Mary E. Mayfield
  • Patent number: 5102169
    Abstract: The disclosure is directed to a chart listing medications, dosage times, and notes. Tactile and visual medication symbols and marking elements denote specific times for taking specific medications. Medication containers are similarly marked.
    Type: Grant
    Filed: August 31, 1990
    Date of Patent: April 7, 1992
    Assignee: M M & K, Inc.
    Inventor: Mary E. Mayfield