DH

Donald R. Hilburger

EC Elkem Metals Company: 1 patents #18 of 34Top 55%
📍 Tonawanda, NY: #222 of 379 inventorsTop 60%
🗺 New York: #67,335 of 115,490 inventorsTop 60%
Overall (All Time): #3,977,556 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4676970 Method for producing metal sulfide and the product produced therefrom Lamar S. Todd, Robert H. Kaiser 1987-06-30