Patents by Inventor Michael J. Volkman

Michael J. Volkman 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).

  • Stadium desk
    Patent number: D451727
    Type: Grant
    Filed: March 13, 2000
    Date of Patent: December 11, 2001
    Assignee: Paul Robby Associates LLC
    Inventors: Robert P. Volkman, Michael J. Volkman
  • Stadium desk
    Patent number: D453431
    Type: Grant
    Filed: June 12, 2001
    Date of Patent: February 12, 2002
    Assignee: Paul Robby Associates, LLP
    Inventors: Robert P. Volkman, Michael J. Volkman
  • Desktop with surrounding storage compartments
    Patent number: D423812
    Type: Grant
    Filed: March 6, 1998
    Date of Patent: May 2, 2000
    Assignee: Paul Robby Associates LLC
    Inventors: Robert P. Volkman, Michael J. Volkman