John Perko

📍 Largo, FL: #9 of 20 inventorsTop 45%

🗺 Florida: #421 of 2,217 inventorsTop 20%

Overall (1989): #93,556 of 140,708Top 70%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4852871	Hand exercise device	—	1989-08-01