William B. Dittrich

IS Inland Steel: 1 patents #62 of 125Top 50%

📍 Portage, IN: #28 of 66 inventorsTop 45%

🗺 Indiana: #19,404 of 33,936 inventorsTop 60%

Overall (All Time): #3,869,152 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4989843	Retaining structure for refractory lining in high temperature vessel	Ian D. Prendergast	1991-02-05