Patents by Inventor Kathy L. Pratschner

Kathy L. Pratschner 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 making an extruded multilayer polymeric shell having textured and marbled surface
    Patent number: 6692683
    Abstract: Multilayer polymeric shells for spas, bathtubs and shower enclosures having a textured and marbled surface layer. The shells are produced by forming by extrusion a multilayer polymeric sheet having a marbled appearing top layer, passing the sheet between rollers to impart a textured surface to the marbled top layer of the sheet, and thermoforming the sheets into the structural shells for spas, bathtubs and shower enclosures.
    Type: Grant
    Filed: March 11, 2002
    Date of Patent: February 17, 2004
    Assignee: Watkins Manufacturing Corporation
    Inventors: Gary L. Gockel, Kathy L. Pratschner, Steven M. Hammock
  • Extruded multilayer polymeric shell having textured and marbled surface
    Publication number: 20020094398
    Abstract: Multilayer polymeric shells for spas, bathtubs and shower enclosures having a textured and marbled surface layer. The shells are produced by forming by extrusion a multilayer polymeric sheet having a marbled appearing top layer, passing the sheet between rollers to impart a textured surface to the marbled top layer of the sheet, and thermoforming the sheets into the structural shells for spas, bathtubs and shower enclosures.
    Type: Application
    Filed: March 11, 2002
    Publication date: July 18, 2002
    Inventors: Gary L. Gockel, Kathy L. Pratschner, Steven M. Hammock
  • Extruded multilayer polymeric shell having textured and marbled surface
    Patent number: 6231938
    Abstract: Multilayer polymeric shells for spas, bathtubs and shower enclosures having a textured and marbled surface layer. The shells are produced by forming by extrusion a multilayer polymeric sheet having a marbled appearing top layer, passing the sheet between rollers to impart a textured surface to the marbled top layer of the sheet, and thermoforming the sheets into the structural shells for spas, bathtubs and shower enclosures.
    Type: Grant
    Filed: July 2, 1993
    Date of Patent: May 15, 2001
    Assignee: Watkins Manufacturing Corporation
    Inventors: Gary L. Gockel, Kathy L. Pratschner, Steven M. Hammock