James A. Porterfield

📍 Hudson, OH: #6 of 30 inventorsTop 20%

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

Overall (1989): #99,490 of 140,708Top 75%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4794916	Lumbar stabilizer	Marie A. Stringer	1989-01-03