Patents by Inventor Randolph Richard Kosek

Randolph Richard Kosek 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).

  • Sign system
    Patent number: D508535
    Type: Grant
    Filed: April 3, 2003
    Date of Patent: August 16, 2005
    Assignee: WP Sign Systems
    Inventor: Randolph Richard Kosek
  • Sign system
    Patent number: D485311
    Type: Grant
    Filed: August 8, 2002
    Date of Patent: January 13, 2004
    Assignee: WP Sign Systems
    Inventor: Randolph Richard Kosek