Patents by Inventor Roger K. Nix

Roger K. Nix 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).

  • Interactive quiz machine
    Patent number: D478126
    Type: Grant
    Filed: September 25, 2002
    Date of Patent: August 5, 2003
    Assignee: Anderson Press Incorporated
    Inventors: Matthew W. Jeffirs, Robert A. Cashatt, Roger K. Nix
  • Interactive quiz cartridge
    Patent number: D480108
    Type: Grant
    Filed: September 25, 2002
    Date of Patent: September 30, 2003
    Assignee: Anderson Press Incorporated
    Inventors: Matthew W. Jeffirs, Robert A. Cashatt, Roger K. Nix
  • Interactive quiz machine with cartridge
    Patent number: D480109
    Type: Grant
    Filed: September 25, 2002
    Date of Patent: September 30, 2003
    Assignee: Anderson Press Incorporated
    Inventors: Matthew W. Jeffirs, Robert A. Cashatt, Roger K. Nix
  • Interactive quiz machine with cartridge in an open position
    Patent number: D481071
    Type: Grant
    Filed: September 25, 2002
    Date of Patent: October 21, 2003
    Assignee: Anderson Press Incorporated
    Inventors: Matthew W. Jeffirs, Robert A. Cashatt, Roger K. Nix
  • Holder for collectibles
    Patent number: D568606
    Type: Grant
    Filed: June 30, 2006
    Date of Patent: May 13, 2008
    Assignee: Anderson Press Incorporated
    Inventors: John C. McDowell, Roger K. Nix
  • Holder for collectibles
    Patent number: D570112
    Type: Grant
    Filed: June 30, 2006
    Date of Patent: June 3, 2008
    Assignee: Anderson Press Incorporated
    Inventors: John C. McDowell, Roger K. Nix
  • Interactive quiz cartridge in an open position
    Patent number: D490467
    Type: Grant
    Filed: September 25, 2002
    Date of Patent: May 25, 2004
    Assignee: Anderson Press, Inc.
    Inventors: Matthew W. Jeffirs, Robert A. Cashatt, Roger K. Nix