Thomas J. Erfort, Jr.

SF Salem Furnace: 1 patents #6 of 11Top 55%

📍 Pittsburgh, PA: #4,559 of 7,570 inventorsTop 65%

🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%

Overall (All Time): #3,924,541 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4817920	Apparatus for continuous heat treatment of metal strip in coil form	—	1989-04-04