DC

David Jonathan Chalk

Air Products And Chemicals: 1 patents #63 of 211Top 30%
📍 Slatington, PA: #3 of 4 inventorsTop 75%
🗺 Pennsylvania: #1,491 of 5,394 inventorsTop 30%
Overall (2003): #243,703 of 273,478Top 90%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6530761 Double-acting, two-stage pump Donald Earl Thompson, David John Farese 2003-03-11