8 Utility and 7 Design Patents
#120 in Champaign, IL
#9,643 in Illinois
#253,726 in US
#518,831 in the World
rank by utility patentsForward Citations = 641
Company Filing History:

Advanced Filtration Systems, Inc.

4. 1 out of 14
Catepillar Inc.
5. 1 out of 31

where one patent can have more than one assignee
Get your Inventor Badge Today