Patents by Inventor Robert P. Sparkowski

Robert P. Sparkowski 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).

  • Clothes bagging and hanging rack
    Patent number: D469975
    Type: Grant
    Filed: May 14, 2002
    Date of Patent: February 11, 2003
    Assignee: Chicago Display Marketing Corporation
    Inventor: Robert P. Sparkowski
  • Product dispenser
    Patent number: D472398
    Type: Grant
    Filed: July 22, 2002
    Date of Patent: April 1, 2003
    Assignee: Chicago Display Marketing
    Inventor: Robert P. Sparkowski
  • Product dispenser
    Patent number: D472730
    Type: Grant
    Filed: July 22, 2002
    Date of Patent: April 8, 2003
    Assignee: Chicago Display Marketing
    Inventor: Robert P. Sparkowski
  • Product dispenser
    Patent number: D476502
    Type: Grant
    Filed: November 25, 2002
    Date of Patent: July 1, 2003
    Assignee: Chicago Display Marketing Corporation
    Inventor: Robert P. Sparkowski
  • Product dispenser
    Patent number: D478737
    Type: Grant
    Filed: December 12, 2002
    Date of Patent: August 26, 2003
    Assignee: Chicago Display Marketing Corporation
    Inventor: Robert P. Sparkowski
  • Adjustable shelving rack
    Patent number: D478739
    Type: Grant
    Filed: August 21, 2002
    Date of Patent: August 26, 2003
    Assignee: Chicago Display Marketing Corporation
    Inventor: Robert P. Sparkowski
  • Product display
    Patent number: D478745
    Type: Grant
    Filed: July 22, 2002
    Date of Patent: August 26, 2003
    Assignee: Chicago Display Marketing Corporation
    Inventor: Robert P. Sparkowski