John L. Humphrey

📍 Holden, MO: #20 of 71 inventorsTop 30%

🗺 Missouri: #387 of 1,485 inventorsTop 30%

Overall (2002): #187,794 of 266,432Top 75%

Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6467245	Universal vibratory roller unit	—	2002-10-22