DM

David Llewellyn Mallis

HY Hydril: 2 patents #2 of 11Top 20%
📍 Diemelstraße, TX: #20 of 109 inventorsTop 20%
🗺 Texas: #1,114 of 8,709 inventorsTop 15%
Overall (2003): #70,966 of 273,478Top 30%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6626471 Double flex seal for tubular connection 2003-09-30
6530607 Two-step threaded connector having differential thread width Robert S. Sivley, IV 2003-03-11