Patents by Inventor John A. Striednig

John A. Striednig 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).

  • Sheet-like masonry block drainage system
    Patent number: 6564520
    Abstract: A masonry block drainage system comprising a sheet-like waterproofing strip for water-sealing the top of masonry blocks having vertically-extending cavities, at least one drainage fabric member, and at least one weep member for draining water from the drainage fabric member.
    Type: Grant
    Filed: September 6, 2001
    Date of Patent: May 20, 2003
    Assignee: W. R. Grace & Co.-Conn
    Inventors: Donald A. Starke, John A. Striednig, Keith R. Bartlett, Robert F. Jenkins