Inventor
MACDONALD ROBERT A
US137 patents
⚠️ This page may combine multiple inventors who share the name “MACDONALD ROBERT A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KEYSTONE RETAINING WALL SYSTEM
29 patentsUSD501935SFeb 15, 2005
Wall block
KEYSTONE RETAINING WALL SYSTEM97 citations99
US6149352ANov 21, 2000
Retaining wall block system
KEYSTONE RETAINING WALL SYSTEM178 citations99
USD621070SAug 3, 2010
Wall block body
KEYSTONE RETAINING WALL SYSTEM50 citations98
USD610710SFeb 23, 2010
Wall block
KEYSTONE RETAINING WALL SYSTEM58 citations98
US7168892B1Jan 30, 2007
Retaining wall block
KEYSTONE RETAINING WALL SYSTEM92 citations98
US6912823B2Jul 5, 2005
Multi-channel retaining wall block and system
KEYSTONE RETAINING WALL SYSTEM97 citations98
US6854231B2Feb 15, 2005
Multi-channel retaining wall block and system
KEYSTONE RETAINING WALL SYSTEM95 citations98
US6615561B2Sep 9, 2003
Retaining wall block
KEYSTONE RETAINING WALL SYSTEM132 citations98
US7654776B2Feb 2, 2010
Retaining wall block
KEYSTONE RETAINING WALL SYSTEM44 citations96
US7448830B2Nov 11, 2008
Retaining wall block
KEYSTONE RETAINING WALL SYSTEM48 citations96
USD490542SMay 25, 2004
Landscaping block
KEYSTONE RETAINING WALL SYSTEM66 citations96
USD488568SApr 13, 2004
Landscaping block
KEYSTONE RETAINING WALL SYSTEM68 citations96
USD488242SApr 6, 2004
Landscaping block
KEYSTONE RETAINING WALL SYSTEM64 citations96
US6447213B1Sep 10, 2002
Retaining wall block system and method with varying block face sizes
KEYSTONE RETAINING WALL SYSTEM37 citations96
US7971407B2Jul 5, 2011
Wall block and wall block system for constructing walls
KEYSTONE RETAINING WALL SYSTEM49 citations94
US9021761B2May 5, 2015
Building unit with mating sides
KEYSTONE RETAINING WALL SYSTEM24 citations93
US8887469B2Nov 18, 2014
Slant wall block and wall section including same
KEYSTONE RETAINING WALL SYSTEM16 citations93
USD647632SOct 25, 2011
Landscaping block
KEYSTONE RETAINING WALL SYSTEM14 citations93
USD647219SOct 18, 2011
Landscaping block
KEYSTONE RETAINING WALL SYSTEM25 citations93
USD647218SOct 18, 2011
Landscaping block
KEYSTONE RETAINING WALL SYSTEM23 citations93
USD633629SMar 1, 2011
Wall block
KEYSTONE RETAINING WALL SYSTEM15 citations93
USD620615SJul 27, 2010
Wall block
KEYSTONE RETAINING WALL SYSTEM34 citations93
US7011474B2Mar 14, 2006
Retaining wall block system
KEYSTONE RETAINING WALL SYSTEM31 citations93
US6893192B2May 17, 2005
Retaining wall block system
KEYSTONE RETAINING WALL SYSTEM20 citations93
US6637981B2Oct 28, 2003
Retaining wall block system and method with varying block face sizes
KEYSTONE RETAINING WALL SYSTEM30 citations93
USD674118SJan 8, 2013
Landscaping block
KEYSTONE RETAINING WALL SYSTEM19 citations92
US7780141B2Aug 24, 2010
Mold box for making first and second wall blocks
KEYSTONE RETAINING WALL SYSTEM34 citations92
US7641178B2Jan 5, 2010
Column block system
KEYSTONE RETAINING WALL SYSTEM42 citations92
US6803002B2Oct 12, 2004
Method for making and treating wall blocks
KEYSTONE RETAINING WALL SYSTEM37 citations86
MACDONALD ROBERT A
16 patentsUSD708765SJul 8, 2014
Landscaping block
MACDONALD ROBERT A39 citations98
USD663858SJul 17, 2012
Landscaping block
MACDONALD ROBERT A42 citations98
USD812781SMar 13, 2018
Wall block
MACDONALD ROBERT A19 citations94
US9181714B2Nov 10, 2015
Multi-textured or patterned exposed surface of a landscaping block, wall block, patio block and block system
MACDONALD ROBERT A24 citations93
USD711014SAug 12, 2014
Landscaping block
MACDONALD ROBERT A14 citations93
US8656678B2Feb 25, 2014
Wall blocks, veneer panels for wall blocks and method of constructing walls
MACDONALD ROBERT A24 citations93
USD694914SDec 3, 2013
Landscaping block
MACDONALD ROBERT A23 citations93
USD689203SSep 3, 2013
Landscaping block
MACDONALD ROBERT A17 citations93
USD685502SJul 2, 2013
Landscaping block
MACDONALD ROBERT A23 citations93
USD671657SNov 27, 2012
Landscaping block
MACDONALD ROBERT A20 citations93
USD665514SAug 14, 2012
Landscaping block
MACDONALD ROBERT A21 citations93
USD665515SAug 14, 2012
Landscaping block
MACDONALD ROBERT A19 citations93
US8234828B2Aug 7, 2012
Veneers for walls, retaining walls, retaining wall blocks, and the like
MACDONALD ROBERT A26 citations93
USD656625SMar 27, 2012
Landscaping block
MACDONALD ROBERT A23 citations92
US10156077B2Dec 18, 2018
Veneer connectors, wall blocks, veneer panels for wall blocks, and walls
MACDONALD ROBERT A6 citations84
US9834902B2Dec 5, 2017
Blocks, block systems and methods of making blocks
MACDONALD ROBERT A5 citations84
Lundell Robert John
4 patentsUSD824542SJul 31, 2018
Landscaping block
Lundell Robert John17 citations94
US9951527B2Apr 24, 2018
Patio blocks and block systems with side surface positioning and retaining structures
Lundell Robert John15 citations92
USD819231SMay 29, 2018
Landscaping block
Lundell Robert John8 citations84
USD791345SJul 4, 2017
Landscaping block
Lundell Robert John9 citations84
KEYSTONE RETAINING WALL SYSTEMS LLC
1 patentShowing the top 50 of 137 patents by PatentIndex Score.