Marc A. Herpfer

OA Oil-Dri Corporation Of America: 1 patents #3 of 4Top 75%

📍 Chicago, IL: #175 of 655 inventorsTop 30%

🗺 Illinois: #1,486 of 5,836 inventorsTop 30%

Overall (2002): #162,478 of 266,432Top 65%

Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6365536	Method of making bleaching clay	Steven T. Council, Dov Shaked	2002-04-02