Patents by Inventor David Skierkowski

David Skierkowski 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).

  • Cap and pan roof tiles
    Patent number: D604432
    Type: Grant
    Filed: April 28, 2008
    Date of Patent: November 17, 2009
    Assignee: Oldcastle Architectural, Inc.
    Inventors: John A. Fifield, Brian Austin, Jason Rhees, David Skierkowski, Michael McVey
  • Notched mission roof tile
    Patent number: D604433
    Type: Grant
    Filed: April 28, 2008
    Date of Patent: November 17, 2009
    Assignee: Oldcastle Architectural, Inc.
    Inventors: John A. Fifield, Brian Austin, Jason Rhees, David Skierkowski, Michael McVey
  • Cap and pan roof tile
    Patent number: D608915
    Type: Grant
    Filed: April 28, 2008
    Date of Patent: January 26, 2010
    Assignee: Oldcastle Architectural, Inc.
    Inventors: John A. Fifield, Brian Austin, Jason Rhees, David Skierkowski, Michael McVey