Patents by Inventor Andrew M Stietzel

Andrew M Stietzel 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).

  • Fish feeding device
    Patent number: 6467431
    Abstract: A fish feeding device for automatically feeding fish at predetermined intervals. The fish feeding device includes a housing adapted for mounting to a side of a fish tank towards an upper rim thereof. A feeding wheel is rotatably mounted to the housing adapted for dispensing food into the fish tank. A timer is mounted to the housing and in communication with the motor. The motor rotates the feeding wheel at a predetermined time or interval indicated by the timer.
    Type: Grant
    Filed: July 7, 2000
    Date of Patent: October 22, 2002
    Inventor: Andrew M Stietzel