Patents by Inventor David M. Dobersztyn

David M. Dobersztyn 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).

  • Publication number: 20040056439
    Abstract: A cart includes a base having a deck for holding items and having at least a portion configured to move such that the deck can be changed from an expanded-length position to a reduced-length position, and a frame connected to the deck and configured to be disposed at a first length when the deck is in the expanded-length position and a shorter, second length when the deck is in the reduced-length position. The cart also includes rolling members supporting the base. It further includes a first upright member connected to and extending upwardly from the base.
    Type: Application
    Filed: April 24, 2003
    Publication date: March 25, 2004
    Applicant: RUBBERMAID COMMERCIAL PRODUCTS LLC
    Inventors: Radmond Arceta, David M. Dobersztyn, Rhonda K. Baker
  • Patent number: D442789
    Type: Grant
    Filed: April 14, 2000
    Date of Patent: May 29, 2001
    Assignee: Rubbermaid Commercial Products LLC
    Inventors: Donald C. Presnell, David M. Dobersztyn
  • Patent number: D474570
    Type: Grant
    Filed: May 15, 2001
    Date of Patent: May 13, 2003
    Assignee: Rubbermaid Commercial Products LLC
    Inventors: Donald Presnell, David M. Dobersztyn, Dale T. Maza
  • Patent number: D478199
    Type: Grant
    Filed: November 22, 2002
    Date of Patent: August 5, 2003
    Assignee: Rubbermaid Commercial Products LLC
    Inventors: Donald Presnell, David M. Dobersztyn, Dale T. Maza
  • Patent number: D485037
    Type: Grant
    Filed: November 22, 2002
    Date of Patent: January 6, 2004
    Assignee: Rubbermaid Commercial Products LLC
    Inventors: Donald Presnell, David M. Dobersztyn, Dale T. Maza
  • Patent number: D411343
    Type: Grant
    Filed: February 27, 1998
    Date of Patent: June 22, 1999
    Assignee: Rubbermaid Incorporated
    Inventors: Keith E. Brightbill, David M. Dobersztyn, Michael A. Lorenz, Jr., James D. Orr
  • Patent number: D412615
    Type: Grant
    Filed: August 12, 1998
    Date of Patent: August 10, 1999
    Assignee: Rubbermaid Commercial Products Inc.
    Inventors: Keith E. Brightbill, David M. Dobersztyn
  • Patent number: D420945
    Type: Grant
    Filed: November 3, 1998
    Date of Patent: February 22, 2000
    Assignee: Rubbermaid Commercial Products LLC
    Inventors: David M. Dobersztyn, Joel Wittkamp