Patents by Inventor Stephen Koytek

Stephen Koytek 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).

  • Interlocking finish trim base
    Patent number: D679380
    Type: Grant
    Filed: May 25, 2012
    Date of Patent: April 2, 2013
    Assignee: AZEK Building Products, Inc.
    Inventors: Michael Gori, Stephen Koytek, Patrick Nolan, Michael A. Dotsey
  • Interlocking finish trim
    Patent number: D679419
    Type: Grant
    Filed: May 25, 2012
    Date of Patent: April 2, 2013
    Assignee: AZEK Building Products, Inc.
    Inventors: Michael Gori, Stephen Koytek, Patrick Nolan, Michael A. Dotsey
  • Column panel
    Patent number: D720865
    Type: Grant
    Filed: May 8, 2013
    Date of Patent: January 6, 2015
    Assignee: AZEK Building Products, Inc.
    Inventors: Michael Gori, Keith O'Connor, Stephen Koytek, Kwesi Agyin
  • Column panel
    Patent number: D720866
    Type: Grant
    Filed: May 8, 2013
    Date of Patent: January 6, 2015
    Assignee: AZEK Building Products, Inc.
    Inventors: Michael Gori, Keith O'Connor, Stephen Koytek, Kwesi Agyin
  • Column panel
    Patent number: D721189
    Type: Grant
    Filed: May 8, 2013
    Date of Patent: January 13, 2015
    Assignee: AZEK Building Products, Inc.
    Inventors: Michael Gori, Keith O'Connor, Stephen Koytek, Kwesi Agyin