DS

David B. Shields

EN Engelhard: 1 patents #271 of 518Top 55%
📍 San Diego, CA: #15,630 of 23,606 inventorsTop 70%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,678,641 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5728433 Method for gold replenishment of electroless gold bath Tien-Jen Cheng 1998-03-17