JH

James E. Hammer

WS Westblock Systems: 35 patents #1 of 9Top 15%
WD Westblock Development: 9 patents #1 of 1Top 100%
Overall (All Time): #61,371 of 4,157,543Top 2%
46
Patents All Time

Issued Patents All Time

Showing 25 most recent of 46 patents

Patent #TitleCo-InventorsDate
D1091872 Wall block Eric Hammer 2025-09-02
D1088285 Wall block Eric Hammer 2025-08-12
D1085468 Wall block Eric Hammer, Stephen Burgoyne 2025-07-22
D1069176 Wall block Eric Hammer 2025-04-01
D1057206 Wall block Eric Hammer 2025-01-07
D1038446 Wall block Eric Hammer 2024-08-06
D1038445 Wall block Eric Hammer 2024-08-06
9902600 Retaining wall system Max Griffin 2018-02-27
9562338 Retaining wall system Max Griffin 2017-02-07
9428878 Retaining wall system 2016-08-30
8667759 Wall block system 2014-03-11
D679300 Concrete block mold 2013-04-02
D678553 Wall block 2013-03-19
D677803 Wall block 2013-03-12
D676070 Concrete block mold 2013-02-12
D674121 Wall block 2013-01-08
D668792 Wall block 2012-10-09
D665928 Wall block 2012-08-21
D663329 Concrete block mold 2012-07-10
D652531 Wall block 2012-01-17
D652154 Wall block 2012-01-10
D652155 Wall block 2012-01-10
D652153 Wall block 2012-01-10
D650918 Retaining block 2011-12-20
7946086 Masonry block wall system Todd D. Ward 2011-05-24