Patents by Inventor Dennis C. Westphal

Dennis C. Westphal 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).

  • Window component extrusion
    Patent number: D338078
    Type: Grant
    Filed: December 26, 1991
    Date of Patent: August 3, 1993
    Assignee: CertainTeed Corporation
    Inventors: Jeanne A. Moss, Dennis C. Westphal, Jeffrey B. Hersh
  • Window component extrusion
    Patent number: D338079
    Type: Grant
    Filed: December 26, 1991
    Date of Patent: August 3, 1993
    Assignee: CertainTeed Corporation
    Inventors: Jeanne A. Moss, Dennis C. Westphal, Jeffrey B. Hersh
  • Window component extrusion
    Patent number: D338719
    Type: Grant
    Filed: December 26, 1991
    Date of Patent: August 24, 1993
    Assignee: CertainTeed Corporation
    Inventors: Jeanne A. Moss, Dennis C. Westphal, Jeffrey B. Hersh
  • Window component extrusion
    Patent number: D338720
    Type: Grant
    Filed: December 26, 1991
    Date of Patent: August 24, 1993
    Assignee: CertainTeed Corporation
    Inventors: Jeanne A. Moss, Dennis C. Westphal, Jeffrey B. Hersh
  • Window component extrusion
    Patent number: D338968
    Type: Grant
    Filed: December 26, 1991
    Date of Patent: August 31, 1993
    Assignee: CertainTeed Corporation
    Inventors: Jeanne A. Moss, Dennis C. Westphal, Jeffrey B. Hersh
  • Window component extrusion
    Patent number: D338971
    Type: Grant
    Filed: December 26, 1991
    Date of Patent: August 31, 1993
    Assignee: CertainTeed Corporation
    Inventors: Jeanne A. Moss, Dennis C. Westphal, Jeffrey B. Hersh