Patents by Inventor Thrumal Davanathan

Thrumal Davanathan 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).

  • Orthodontic elastomeric ligature with slippery coating and method of making same
    Patent number: 6203317
    Abstract: An orthodontic elastomeric appliance with a polymer coating that becomes slippery when wetted, and a method of making the appliance which comprises the steps of forming an appliance of elastomeric material and coating the appliance with a polymer film capable of making the appliance slippery when wetted.
    Type: Grant
    Filed: July 19, 2000
    Date of Patent: March 20, 2001
    Assignee: TP Orthodontics, Inc.
    Inventor: Thrumal Davanathan