Patents by Inventor Rolf W. Jordan

Rolf W. Jordan 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: 4283061
    Abstract: A blow gun dart having an elongated specially tapered shaft which is provided with a specially shaped impeller. The special design of the dart enables it to traverse an exceptionally long distance over a substantially straight path. Wings may be added to the shaft of the dart to improve its aerodynamic performance. Alternatively the impeller may be mounted on a foreshortened shaft having a distended section in the forward portion of the shaft.
    Type: Grant
    Filed: May 7, 1980
    Date of Patent: August 11, 1981
    Inventor: Rolf W. Jordan