Patents by Inventor Derek W. Dahl

Derek W. Dahl 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: 4891232
    Abstract: A beverage infusion device is set forth wherein a packaged stirring-type stick includes an attached porous bag at one terminal end of the stick with infusion solid particulates contained within the bag. Positioned adjacent the bag about the body of the stick are a further series of infusion solid particulates selectively utilized by an individual with a removable wrapper about each particulate type whereupon removal of a wrapper enables selective flavor enhancing of the beverage.
    Type: Grant
    Filed: October 11, 1988
    Date of Patent: January 2, 1990
    Inventor: Derek W. Dahl