Patents by Inventor Mark H. Krietzmen

Mark H. Krietzmen 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: 5778825
    Abstract: A feline exercise and play target object, comprising a housing having an external wall and an internal wall defining an enclosed cavity; support receiving device incorporated in the housing whereby the housing can be detachably supported and such that the housing can freely rotate while supported; and attraction attachment device incorporated in the housing such that a variety of mechanical attractions can be attached to the housing. The feline exercise and play target object also comprises a filling aperture incorporated in the housing to allow placement of natural attractant into the enclosed cavity and a plurality of pores to allow the natural attractant to escape from the cavity.
    Type: Grant
    Filed: June 17, 1996
    Date of Patent: July 14, 1998
    Inventors: Mark H. Krietzmen, Yu-Hsin Chen