Steven J. Block

TZ The C.W. Zumbiel: 20 patents #1 of 18Top 6%

GP Graphic Packaging: 3 patents #5 of 48Top 15%

JR James River: 1 patents #44 of 105Top 45%

JC James River Paper Company: 1 patents #16 of 37Top 45%

📍 Amelia, OH: #1 of 72 inventorsTop 2%

🗺 Ohio: #2,215 of 73,341 inventorsTop 4%

Overall (All Time): #153,369 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #	Title	Co-Inventors	Date
4894149	Biological filtration device	—	1990-01-16