Patents by Inventor Diwakaran A. Ratnam

Diwakaran A. Ratnam 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).

  • Repositionable articles having a microstructured surface, kits for producing same, and methods of use
    Patent number: 5508084
    Abstract: A repositionable article having a microstructured surface is described which includes a removable and rebondable adhesive layer having first and second surfaces and a control layer having a control surface and a back surface, the second surface of the adhesive layer adhered to the back surface of the control layer, the control surface defined by an array of a plurality of precisely shaped raised regions and a plurality of recessed regions. The articles find use particularly as mouse pads.
    Type: Grant
    Filed: May 24, 1994
    Date of Patent: April 16, 1996
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Mark E. Reeves, Diwakaran A. Ratnam