Patents by Inventor Sandra E. Saunders

Sandra E. Saunders 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).

  • Disposable contact lens cleaning device and method of making the same
    Patent number: 5598601
    Abstract: A totally disposable contact lens cleaning device including a polyurethane ester foam, contact lens cleaning pad and a polyethylene cross linked foam, soft base member thermally bonded to the contact lens cleaning pad. The contact lens cleaning device is manufactured by cutting an aperture through a soft base member; and then thermally bonding a contact lens cleaning pad to the soft base member over the aperture.
    Type: Grant
    Filed: February 10, 1995
    Date of Patent: February 4, 1997
    Inventors: David B. Eaton, Sandra E. Saunders