Harold M. Keener

OU Ohio State University: 1 patents #1 of 13Top 8%

📍 Ashland, OH: #2 of 12 inventorsTop 20%

🗺 Ohio: #715 of 3,574 inventorsTop 25%

Overall (1989): #108,399 of 140,708Top 80%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4863076	Particulate material feeder utilizing vibration and aeration	Robert J. Anderson, James E. Henry	1989-09-05