Patents by Inventor Luciana M. Sato

Luciana M. Sato 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: 7444687
    Abstract: A hearing protective device that includes a headpiece, a first earmuff affixed to the headband, and a second earmuff affixed to the headband, each earmuff including an ear cup that includes a cellular material and that has a distal exterior surface that includes exposed cellular material, and a proximal exterior surface.
    Type: Grant
    Filed: August 29, 2005
    Date of Patent: November 4, 2008
    Assignee: 3M Innovative Properties Company
    Inventors: Luciana M. Sato, Glaucia C. Gabas, Dean M. Remer, Thomas I. Insley