Rectangular Or Square Detail Patents (Class D25/118)
  • Composite masonry block
    Patent number: 5017049
    Abstract: Disclosed is a composite masonry block comprising a substantially rectangular body having a bevelled surface and an interlocking flange. Also disclosed are structure made form the masonry block and methods of making the block.
    Type: Grant
    Filed: July 26, 1990
    Date of Patent: May 21, 1991
    Assignee: Block Systems Inc.
    Inventor: Dick J. Sievert
  • Interlocking building block
    Patent number: D299068
    Type: Grant
    Filed: February 14, 1986
    Date of Patent: December 20, 1988
    Inventors: by W. Lloyd McSorley, Wilford J. McSorley, deceased
  • Building block
    Patent number: D300862
    Type: Grant
    Filed: April 24, 1986
    Date of Patent: April 25, 1989
    Inventor: Fred Keller, Jr.
  • Convex block
    Patent number: D301064
    Type: Grant
    Filed: May 14, 1986
    Date of Patent: May 9, 1989
    Assignee: Keystone Retaining Wall Systems, Inc.
    Inventor: Paul J. Forsberg
  • Chimney cap component
    Patent number: D307792
    Type: Grant
    Filed: May 4, 1988
    Date of Patent: May 8, 1990
    Inventor: Leif A. Poulsen
  • Rectangular construction module
    Patent number: D319108
    Type: Grant
    Filed: January 5, 1989
    Date of Patent: August 13, 1991
    Inventors: Jan van Weerden, Johannes Valkenburg, Ferdinand P. van der Spek
  • Building block
    Patent number: D319109
    Type: Grant
    Filed: September 26, 1989
    Date of Patent: August 13, 1991
    Inventor: Milburn Bimber
  • Square construction module
    Patent number: D319316
    Type: Grant
    Filed: January 5, 1989
    Date of Patent: August 20, 1991
    Inventors: Jan van Weerden, Johannes Valkenburg, Ferdinand P. van der Spek
  • Retaining wall block
    Patent number: D319885
    Type: Grant
    Filed: November 30, 1990
    Date of Patent: September 10, 1991
    Assignee: Kiltie Corporation
    Inventors: Peter J. Blomquist, Michael E. Woolford