DS

Dietrich Speer

FE Ferro: 1 patents #10 of 22Top 50%
📍 Langenselbold, DE: #2 of 9 inventorsTop 25%
Overall (2016): #417,026 of 481,213Top 90%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9334189 Copper red frits and pigments comprising silica and at least one of cupric oxide and cuprous oxide Enos A. Axtell, III, George E. Sakoske, Andreas Schulz, Juergen Hanich, Lothar Heck +1 more 2016-05-10