Patents by Inventor William R. Kampfe

William R. Kampfe 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).

  • Baton handle show pom
    Patent number: 6447857
    Abstract: A show pom provided with a first set of streamers extending from the two ends of a baton handle and a second set of retractable streamers that retract within the ends of the hollow baton handle. The second set of streamers are usually constructed of a different color than the first set of streamers and are retracted into the baton handle so that the second set of streamers are not visible until they are deployed by spring action out the two ends of the baton handle by depressing a trigger pin provided on the baton handle.
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: September 10, 2002
    Inventors: Kendall Ann Roberts, William R. Kampfe