Patents Assigned to Douglas & Douglas, Inc.
  • Travois with roller assembly
    Patent number: 5005844
    Abstract: A rolling travois for carrying camping supplies and the like, the rolling travois comprising an elongated support frame mounted over an enlarged roller assembly having a spherically shaped profile. A pair of pushing handles extend rearward and upward from the travois, and a pair of pulling handles are mounted on the forward end. Attached to the pulling handles is a pulling harness which is connectable to an individual.
    Type: Grant
    Filed: May 15, 1989
    Date of Patent: April 9, 1991
    Assignee: Douglas & Douglas, Inc.
    Inventors: George V. Douglas, Vivian T. Douglas
  • Rolling travois
    Patent number: 4838565
    Abstract: A rolling travois for pulling camping supplies and the like behind an individual, the rolling travois comprising an elongated support frame having one end mounted on a single enlarged roller made up of a plurality of individual cylindrical disks. The other end of the support frame has an outwardly extending tongue pivotally attachable to a backpack frame worn by the individual pulling the rolling travois.
    Type: Grant
    Filed: December 8, 1987
    Date of Patent: June 13, 1989
    Assignee: Douglas & Douglas, Inc.
    Inventors: George V. Douglas, Vivian T. Douglas