DZ

Donald R. Zwakenberg

KC Kaiser Aluminum & Chemical: 1 patents #33 of 123Top 30%
📍 Oakland, CA: #2,828 of 4,380 inventorsTop 65%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,032,926 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4443416 Purification of bayer process liquors Donald J. Donaldson, Allan C. Kelly, Joseph W. Mulloy 1984-04-17