Patents by Inventor Muthuswamy Ethirajan

Muthuswamy Ethirajan 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: 5969787
    Abstract: A ventilated browbar fame and eyewear utilizing the same. The browbar frame is detachably secured to a lens and temples are detachably secured to the browbar frame. The browbar frame includes a plurality of openings to allow air to pass through the browbar frame thereby preventing fogging of the lens. The temples are pivotally attached to the browbar frame to allow for adjustment of the pantoscopic angle of the eyewear.
    Type: Grant
    Filed: June 11, 1998
    Date of Patent: October 19, 1999
    Assignee: Cabot Safety Intermediate Corporation
    Inventors: James Hall, Raoul O. Desy, Muthuswamy Ethirajan
  • Patent number: D578127
    Type: Grant
    Filed: January 9, 2008
    Date of Patent: October 7, 2008
    Assignee: Dell Products L.P.
    Inventors: Richard Andrew Crisp, Muthuswamy Ethirajan
  • Patent number: D415516
    Type: Grant
    Filed: June 11, 1998
    Date of Patent: October 19, 1999
    Assignee: Cabot Safety Intermediate Corporation
    Inventors: James Hall, Raoul O. Desy, Muthuswamy Ethirajan
  • Patent number: D423033
    Type: Grant
    Filed: May 10, 1999
    Date of Patent: April 18, 2000
    Assignee: Cabot Safety Intermediate Corporation
    Inventors: James Hall, Raoul O. Desy, Muthuswamy Ethirajan