Patents by Inventor Walter Hester

Walter Hester 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).

  • Glass drill bit
    Patent number: 7204664
    Abstract: A method and apparatus for drilling glass using a drill and drill bit. The method utilizes a drill bit having a plurality of shaft diameters, and being provided with a plurality of types of abrasives. By providing a coarser abrasive on a narrow portion of the bit, and finer abrasives on a wider portion of the bit, drilling can be accomplished while reducing the incidents of micro fracture in the glass being drilled. Providing an even narrower connection shaft between the two cutting portions of the drill bit further facilitates reduction in micro fractures created during the drilling process.
    Type: Grant
    Filed: November 4, 2004
    Date of Patent: April 17, 2007
    Assignee: Maui Jim, Inc.
    Inventors: Eiichi Nakanishi, Walter Hester
  • Glass drill bit
    Publication number: 20060093446
    Abstract: A method and apparatus for drilling glass using a drill and drill bit. The method utilizes a drill bit having a plurality of shaft diameters, and being provided with a plurality of types of abrasives. By providing a coarser abrasive on a narrow portion of the bit, and finer abrasives on a wider portion of the bit, drilling can be accomplished while reducing the incidents of micro fracture in the glass being drilled. Providing an even narrower connection shaft between the two cutting portions of the drill bit further facilitates reduction in micro fractures created during the drilling process.
    Type: Application
    Filed: November 4, 2004
    Publication date: May 4, 2006
    Inventors: Eiichi Nakanishi, Walter Hester
  • Eyeglasses
    Patent number: D508514
    Type: Grant
    Filed: March 9, 2004
    Date of Patent: August 16, 2005
    Assignee: Maui Jim, Inc.
    Inventor: Walter Hester
  • Eyeglass frame
    Patent number: D539330
    Type: Grant
    Filed: February 8, 2005
    Date of Patent: March 27, 2007
    Assignee: Maui Jim, Inc.
    Inventor: Walter Hester
  • Eyeglass frame
    Patent number: D539828
    Type: Grant
    Filed: November 10, 2004
    Date of Patent: April 3, 2007
    Assignee: Maui Jim, Inc.
    Inventor: Walter Hester
  • Eyeglass frame
    Patent number: D539834
    Type: Grant
    Filed: November 10, 2004
    Date of Patent: April 3, 2007
    Assignee: Maui Jim, Inc.
    Inventor: Walter Hester
  • Eyeglass frame
    Patent number: D542329
    Type: Grant
    Filed: December 1, 2004
    Date of Patent: May 8, 2007
    Assignee: Maui Jim Inc.
    Inventor: Walter Hester
  • Eyeglass frame
    Patent number: D551694
    Type: Grant
    Filed: March 7, 2006
    Date of Patent: September 25, 2007
    Assignee: Maui Jim, Inc.
    Inventor: Walter Hester
  • Sunglasses
    Patent number: D481059
    Type: Grant
    Filed: August 14, 2002
    Date of Patent: October 21, 2003
    Assignee: Maui Jim, Inc.
    Inventors: Jennifer Egbert, Walter Hester
  • Sunglasses
    Patent number: D481060
    Type: Grant
    Filed: August 14, 2002
    Date of Patent: October 21, 2003
    Assignee: Maui Jim, Inc.
    Inventors: Jennifer Egbert, Walter Hester
  • Sunglasses
    Patent number: D483792
    Type: Grant
    Filed: August 14, 2002
    Date of Patent: December 16, 2003
    Assignee: Maui Jim, Inc.
    Inventors: Jennifer Egbert, Walter Hester
  • Pair of eyeglasses
    Patent number: D488829
    Type: Grant
    Filed: June 3, 2003
    Date of Patent: April 20, 2004
    Assignee: Maui Jim, Inc.
    Inventor: Walter Hester
  • Pair of eyeglasses
    Patent number: D489393
    Type: Grant
    Filed: June 3, 2003
    Date of Patent: May 4, 2004
    Assignee: Maui Jim, Inc.
    Inventor: Walter Hester