DG

Donald J. Griffin

📍 York, PA: #268 of 933 inventorsTop 30%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,535,132 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8838346 Seeder 2014-09-16
6586355 Slagline sleeve for submerged entry nozzle composition therefore Donald Bruce Hoover, Franklin A. Renda, Colin B. Richmond, II 2003-07-01
6410469 Slagline sleeve for submerged entry nozzle and composition therefor Donald Bruce Hoover, Franklin A. Renda, Colin B. Richmond, II 2002-06-25