JC

John Crooks

NR North American Refractories: 2 patents #1 of 6Top 20%
📍 Sinking Spring, PA: #1 of 10 inventorsTop 10%
🗺 Pennsylvania: #507 of 5,047 inventorsTop 15%
Overall (2004): #58,374 of 270,089Top 25%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6787098 Refractory lining for metallurgical vessel Donald Abrino, Ronald Barrett, Shyam Miglani 2004-09-07
6673306 Refractory lining for metallurgical vessel Donald Abrino, Ronald Barrett, Shyam Miglani 2004-01-06