DD

Daniel James Duffey

Overall (All Time): #1,604,993 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6769475 Investment casting Richard Dudley Shaw 2004-08-03
6755237 Investment casting Richard Dudley Shaw 2004-06-29
6450243 Investment casting Richard Dudley Shaw 2002-09-17