Patents by Inventor David W. Chalmers

David W. Chalmers 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).

  • Impact-absorbing amusement vehicle
    Patent number: 4966391
    Abstract: An amusement vehicle incorporating impact-absorbing features. An amusement vehicle with sophisticated impact-absorbing features is disclosed. Included among these features are a resilient bumper designed to absorb impact shocks without damage to the vehicle, a restorable, collapsible steering column assembly and a push-pull cable steering system.
    Type: Grant
    Filed: April 3, 1989
    Date of Patent: October 30, 1990
    Assignee: Agajanian's Ascot Slic Trac, Inc.
    Inventors: David W. Sobodos, David W. Chalmers
  • Impact-absorbing amusement vehicle
    Patent number: 4838592
    Abstract: An amusement vehicle incorporating impact-absorbing features. An amusement vehicle with sophisticated impact-absorbing features is disclosed. Included among these features are a resilient bumper designed to absorb impact shocks without damage to the vehicle, a restorable, collapsible steering column assembly and a push-pull cable steering system.
    Type: Grant
    Filed: April 15, 1987
    Date of Patent: June 13, 1989
    Assignee: Agajanian Enterprises, Inc.
    Inventors: David W. Sobodos, David W. Chalmers