Patents by Inventor Arthur B. Engstrom

Arthur B. Engstrom 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).

  • Patent number: 4858266
    Abstract: The present invention is a bicycle cleaning tool having a rigid bar, a flexible toothed tapered curved prong with a pointed end, and a brush with a curved brush face. The rigid bar knocks clumps of dirt from a bicycle component. The toothed prong pries into generally inaccessible areas to bite into and dig out dirt. The brush end brushes away minute particles and conforms to a number of curved surfaces on a bicycle.
    Type: Grant
    Filed: May 31, 1988
    Date of Patent: August 22, 1989
    Assignee: Bicycle Tools, Incorporated
    Inventor: Arthur B. Engstrom