Robert Shanahan

📍 Canton, MI: #15 of 39 inventorsTop 40%

🗺 Michigan: #694 of 3,452 inventorsTop 25%

Overall (1989): #61,132 of 140,708Top 45%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4821861	Bulk material chute system	—	1989-04-18