JS

John A. Spragge

EC Eco-Block: 1 patents #2 of 3Top 70%
📍 Port Hope, CA: #1 of 1 inventorsTop 100%
Overall (2003): #189,592 of 273,478Top 70%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6609340 Concrete structures and methods of forming the same using extenders James Daniel Moore, Jr., Brian L. Smith 2003-08-26