40 Utility and 11 Design Patents
#2 in Jackson, TN
#177 in Tennessee
#29,746 in US
#56,435 in the World
rank by utility patentsForward Citations = 775
Company Filing History:

Irwin-industrial Tool Company
Porter-cable/delta
4. 7 out of 5,049

5. 1 out of 831,952 patents
Other
where one patent can have more than one assignee
Get your Inventor Badge Today