James M. Barnhart

📍 Haslett, MI: #1 of 7 inventorsTop 15%

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

Overall (1989): #101,541 of 140,708Top 75%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4878544	Compaction roller	—	1989-11-07