Patents by Inventor Kevin Dale Gemmell, Jr.

Kevin Dale Gemmell, Jr. 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).

  • Multi-grasp prosthetic hand
    Patent number: 10219919
    Abstract: The present invention provides a prosthetic hand capable of multiple grasp types. The prosthetic finger units are underactuated both within and between the finger units using a differential mechanism arrangement. The locking movement of the prosthetic thumb unit is coupled to the differential mechanism. As the user repositions the prosthetic thumb unit, the differential mechanism is effected as to alter both the initial positions and force distribution of the prosthetic finger units. The present invention further provides an additive manufacturing molding method for making the same.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: March 5, 2019
    Assignee: YALE UNIVERSITY
    Inventors: Joseph Thomas Belter, Aaron Michael Dollar, Michael Leddy, Kevin Dale Gemmell, Jr.