RS

Richard C. Spung

EA Elf Atochem North America: 1 patents #79 of 167Top 50%
📍 Ralls, TX: #36 of 74 inventorsTop 50%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,806,873 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5348662 Process for removing heavy metals from aqueous solutions Jeffrey H. Yen 1994-09-20