Patents by Inventor Stephen J. Sparer

Stephen J. Sparer 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).

  • Doorway transom
    Patent number: D373642
    Type: Grant
    Filed: September 14, 1995
    Date of Patent: September 10, 1996
    Assignee: Masco/Tech, Inc.
    Inventors: Jeffery D. Lint, David L. Williams, Stephen J. Sparer
  • Doorlite
    Patent number: D380279
    Type: Grant
    Filed: September 14, 1995
    Date of Patent: June 24, 1997
    Assignee: American Architectural Products, Inc.
    Inventors: Jeffery D. Lint, David L. Williams, Stephen J. Sparer
  • Doorway sidelite
    Patent number: D380839
    Type: Grant
    Filed: September 14, 1995
    Date of Patent: July 8, 1997
    Assignee: American Architectural Products, Inc.
    Inventors: Jeffery D. Lint, David L. Williams, Stephen J. Sparer
  • Doorlite
    Patent number: D380840
    Type: Grant
    Filed: September 14, 1995
    Date of Patent: July 8, 1997
    Assignee: American Architectural Products, Inc.
    Inventors: Jeffery D. Lint, David L. Williams, Stephen J. Sparer
  • Doorlite
    Patent number: D383221
    Type: Grant
    Filed: September 14, 1995
    Date of Patent: September 2, 1997
    Assignee: Mascotech, Inc.
    Inventors: Jeffery D. Lint, David L. Williams, Stephen J. Sparer
  • Doorway transom
    Patent number: D383552
    Type: Grant
    Filed: September 14, 1995
    Date of Patent: September 9, 1997
    Assignee: American Architectural Products, Inc.
    Inventors: Jeffery D. Lint, David L. Williams, Stephen J. Sparer
  • Doorway sidelite
    Patent number: D384423
    Type: Grant
    Filed: September 14, 1995
    Date of Patent: September 30, 1997
    Assignee: American Architectural Products, Inc.
    Inventors: Jeffery D. Lint, David L. Williams, Stephen J. Sparer
  • Door lite
    Patent number: D388885
    Type: Grant
    Filed: February 13, 1997
    Date of Patent: January 6, 1998
    Assignee: American Architechtural Products, Inc.
    Inventors: Jeffery D. Lint, David L. Williams, Stephen J. Sparer
  • Doorlite
    Patent number: D389924
    Type: Grant
    Filed: February 13, 1997
    Date of Patent: January 27, 1998
    Assignee: American Architectural Products, Inc.
    Inventors: Jeffery D. Lint, David L. Williams, Stephen J. Sparer
  • Doorlite
    Patent number: D389925
    Type: Grant
    Filed: February 13, 1997
    Date of Patent: January 27, 1998
    Assignee: American Architectural Products, Inc.
    Inventors: Jeffery D. Lint, David L. Williams, Stephen J. Sparer
  • Doorlite
    Patent number: D392748
    Type: Grant
    Filed: September 14, 1995
    Date of Patent: March 24, 1998
    Assignee: Mascotech, Inc.
    Inventors: Jeffery D. Lint, David L. Williams, Stephen J. Sparer