Patents by Inventor Dick J. Sievert, deceased

Dick J. Sievert, deceased 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: 6050255
    Abstract: A splitter blade assembly adapted to form split faces on concrete masonry units including: a plurality of blade sections arranged to bound an opening; and a stop positioned within the opening so as to prevent debris from lodging in the opening during a splitting operation.
    Type: Grant
    Filed: January 30, 1998
    Date of Patent: April 18, 2000
    Assignee: Anchor Wall Systems, Inc.
    Inventor: Dick J. Sievert, deceased
  • Patent number: 6029943
    Abstract: A concrete masonry unit having a top surface with a splitting pattern formed therein. The splitting pattern has a splitting groove which intersects at least one recessed region formed in the top surface.
    Type: Grant
    Filed: February 28, 1997
    Date of Patent: February 29, 2000
    Assignee: Anchor Wall Systems, Inc.
    Inventor: Dick J. Sievert, deceased