Patents by Inventor Peter Hogrefe

Peter Hogrefe 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).

  • Multiple banner baton
    Patent number: 5168115
    Abstract: The invention is an refers to a multiple flag marching baton which can be extended or hidden, respectively, such that the overall length of the baton remains constant for easier control.
    Type: Grant
    Filed: December 16, 1991
    Date of Patent: December 1, 1992
    Inventor: Peter Hogrefe