Patents by Inventor Darrell J. Edman

Darrell J. Edman 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: 5412878
    Abstract: A device for making multiple wheel measurements, which is used to measure the center line distance between adjacent lug bolt holes of a wheel or lug bolts of a hub, with graduated indicia directly displaying the wheel mounting diameters of automotive wheels in trade sizes, which will also measure the pilot diameter of a wheel and hub. This will determine the wheel mounting pattern and pilot diameter, which will determine the compatibility of a automotive wheel and hub.
    Type: Grant
    Filed: April 26, 1993
    Date of Patent: May 9, 1995
    Inventor: Darrell J. Edman