DJ

Donald F. Johnson

IS Inland Steel: 3 patents #22 of 125Top 20%
📍 Hammond, IN: #41 of 261 inventorsTop 20%
🗺 Indiana: #8,550 of 33,936 inventorsTop 30%
Overall (All Time): #1,305,035 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4793535 Combined rack and carrier for surfboard 1988-12-27
4588658 Differentially coated galvanized steel strip Ram S. Patil, John T. Quasney 1986-05-13
4528935 Differentially coated galvanized steel strip and method and apparatus for producing same Ram S. Patil, John T. Quasney 1985-07-16
4513033 Differentially coated galvanized steel strip and method and apparatus for producing same Ram S. Patil, John T. Quasney 1985-04-23