Patents by Inventor Mavis Soderbaum

Mavis Soderbaum 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).

  • Adaptor handle
    Patent number: 4708357
    Abstract: An adaptor handle for use on wheeled vehicles having two spaced apart handles for application of propulsion forces and steering is characterized by (i) an arm extending in use between the spaced apart handles of the wheeled vehicle (ii) a clamp adjacent each handle end to enable the with arm to be coupled onto the spaced apart handles, and (iii) a single hand grip extending substantially from the center of the arm.
    Type: Grant
    Filed: March 31, 1986
    Date of Patent: November 24, 1987
    Assignees: Gerard Berkowitz, Jeffrey Stewart
    Inventor: Mavis Soderbaum