JM

John E. Marhanka

AA Aluminum Company Of America: 1 patents #3 of 28Top 15%
📍 Delmont, PA: #1 of 2 inventorsTop 50%
🗺 Pennsylvania: #570 of 2,652 inventorsTop 25%
Overall (1982): #52,261 of 81,411Top 65%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4356271 Noncollapsible ceramic foam Thomas Francis, Raymond P. Heilich 1982-10-26