John D. Roll

CR Cook Regentec: 1 patents #128 of 228Top 60%

📍 Rockford, IL: #538 of 1,291 inventorsTop 45%

🗺 Illinois: #34,584 of 84,256 inventorsTop 45%

Overall (All Time): #2,287,131 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5419764	Percutaneous twisting lock catheter	—	1995-05-30
5041085	Percutaneous lockable sleeve catheter	Thomas A. Osborne, Fred T. Parker	1991-08-20