Patents by Inventor Luke Z. Grimm

Luke Z. Grimm 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: 4848263
    Abstract: A throwable, multi-sided emergency traffic warning marker. The marker body comprises a plurality of traffic-warning display faces preferably arranged in a tetrahedral configuration. Traffic warning indicia are present on each face, imparting visibility thereto. The marker assembly is contoured and proportioned to insure display of one of the display faces to oncoming vehicles when the marker is thrown, dropped or otherwise placed on a roadway surface.
    Type: Grant
    Filed: March 14, 1988
    Date of Patent: July 18, 1989
    Inventor: Luke Z. Grimm