Tugboat Type Patents (Class D21/546)
  • Toy boat
    Patent number: D455464
    Type: Grant
    Filed: June 13, 2001
    Date of Patent: April 9, 2002
    Assignee: Goldlok Toys Manufactory Co. Ltd.
    Inventor: Philip Ma
  • Toy radio control tug boat
    Patent number: D476704
    Type: Grant
    Filed: January 16, 2002
    Date of Patent: July 1, 2003
    Assignee: Golden Bright Manufacturer Ltd.
    Inventor: Wei Gang Bao
  • Steam powered toy tug boat
    Patent number: D412190
    Type: Grant
    Filed: December 4, 1997
    Date of Patent: July 20, 1999
    Inventor: Parker Graham
  • Rail boat toy
    Patent number: D967278
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: October 18, 2022
    Inventor: Tianxiong Zhou