Patents by Inventor Wendell C. Andrews

Wendell C. Andrews 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).

  • Method of forming sagging mold from a glass ceramic
    Patent number: 4059428
    Abstract: A relatively thin, smooth surfaced mold of low thermal expansion material which exhibits non-sticking qualities is disclosed for contouring glass articles, such as by sagging a preform to the contour of the mold. In addition, a method of forming such molds with a desired surface contour is disclosed.
    Type: Grant
    Filed: February 20, 1976
    Date of Patent: November 22, 1977
    Assignee: Corning Glass Works
    Inventor: Wendell C. Andrews
  • Method of forming laminated curvilinear glass sheet
    Patent number: 4009064
    Abstract: A plurality of inner and outer shell molds having virtually identical surface contours are formed from a single master mold such that glass outer layers sagged to the contour of said outer shell molds may be laminated with any glass inner layer sag-formed on said inner shell molds.
    Type: Grant
    Filed: February 20, 1976
    Date of Patent: February 22, 1977
    Assignee: Corning Glass Works
    Inventor: Wendell C. Andrews