JS

John A. Spragge

EC Eco-Block: 1 patents #2 of 3Top 70%
📍 Port Hope, CA: #1 of 2 inventorsTop 50%
Overall (2002): #184,354 of 266,432Top 70%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6438918 Latching system for components used in forming concrete structures James Daniel Moore, Jr., Barry Hiscock 2002-08-27