Patents by Inventor Frederick R. Luecke

Frederick R. Luecke 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).

  • Abrasive disc back up assembly
    Patent number: 4937983
    Abstract: A manually manipulatable pencil like abrasive disc back up assembly for supporting pressure sensitive adhesive coated abrasive discs while abrading defects in painted surfaces such as of automobiles. The assembly includes an elongate rigid body member having sockets opening through its ends, and firm flexible support members having inner portions in the sockets, and outer portions projecting from the sockets with planar end surfaces adapted to support one of the pressure sensitive adhesive coated abrasive discs.
    Type: Grant
    Filed: May 9, 1989
    Date of Patent: July 3, 1990
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Frederick R. Luecke, Thomas L. Jones, Conrad T. Freerks