WD

William B. Dawson

KS Keystone Retaining Wall Systems: 18 patents #6 of 22Top 30%
Overall (All Time): #197,511 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8511024 Veneers for walls, retaining walls and the like Robert A. MacDonald 2013-08-20
8464491 Column block system Robert A. MacDonald 2013-06-18
8434971 Retaining wall block with face connection Robert A. MacDonald 2013-05-07
8132988 Retaining wall block Robert A. MacDonald 2012-03-13
7780141 Mold box for making first and second wall blocks Robert A. MacDonald 2010-08-24
7641178 Column block system Robert A. MacDonald 2010-01-05
D501935 Wall block Robert A. MacDonald 2005-02-15
6821058 Retaining wall block system and connector 2004-11-23
D488569 Landscaping block 2004-04-13
D479342 Landscaping block 2003-09-02
6205760 Twisted pair exchange cable manufacturing process and apparatus Gabe Pellicciotti, James A. Haas, Mark Bernhardt, Robert Goodridge 2001-03-27
6147309 Single-jacketed plenum cable John J. Mottine, Jr., Kenneth S. Koehler, Sayed J. Mirkazemi 2000-11-14
D430308 Retaining wall block 2000-08-29
6037546 Single-jacketed plenum cable John J. Mottine, Jr., Kenneth S. Koehler, Sayed J. Mirkazemi 2000-03-14
5913790 Plantable retaining wall block 1999-06-22
5865006 Retaining wall block and wall construction 1999-02-02
D397808 Landscaping block 1998-09-01
5771631 Landscaping block 1998-06-30
D387434 Front face of a plantable retaining wall block 1997-12-09
5601384 Plantable retaining wall 1997-02-11
5588262 Landscaping block system 1996-12-31
5568994 Landscaping block 1996-10-29