Patents by Inventor David A. Ysen

David A. Ysen 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).

  • Rotating food dehydrator
    Patent number: 5974957
    Abstract: A food dehydrator is provided including a base with an interior space. Also included is a food supporting mechanism within the interior space of the base for supporting food thereon. A heating mechanism is adapted for generating heat within the interior space of the base. For circulating air about the food, an air circulation mechanism included. The food supporting mechanism and air circulation mechanism move with respect to each other during use.
    Type: Grant
    Filed: October 29, 1998
    Date of Patent: November 2, 1999
    Inventor: David A. Ysen