Patents by Inventor Ronald Grant Mathison

Ronald Grant Mathison 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).

  • Medication dosage reminder device
    Patent number: 6152067
    Abstract: A medication dosage reminder device includes a cruciform hub that attaches to a medication container and an annular dial that is pinned between the hub and the container but is otherwise free to rotate about the hub. The dial includes time of day indicia and the hub includes a co-operating pointer for selecting the time of day so indicated. A patient can rotate the dial about the hub to indicate the time at which the last dose of medication was taken or the time at which the next dose of medication is due.
    Type: Grant
    Filed: June 30, 1998
    Date of Patent: November 28, 2000
    Inventor: Ronald Grant Mathison