Patents by Inventor Kevin D. Ryan

Kevin D. Ryan 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).

  • Mountable wheel for toy vehicle
    Patent number: 4193639
    Abstract: A wheel suitable for use on toy vehicles. The wheel has a tire which is mountable and demountable with respect to such toy vehicle. The wheel includes a first member that is rotatably mounted in a permanent or semi-permanent arrangement on an axle. The wheel has a second member including a tire which is demountably supported on the first member. The first member has a locking mechanism which cooperates with a portion of the second member to prevent unintended rotation of the first member with respect to the second member.
    Type: Grant
    Filed: April 21, 1978
    Date of Patent: March 18, 1980
    Assignee: Tonka Corporation
    Inventors: Ronald R. Pauly, Thomas W. Good, John D. Hastings, Kevin D. Ryan