Frank E. Popelka

📍 Ely, IA: #11 of 20 inventorsTop 60%

🗺 Iowa: #8,735 of 15,303 inventorsTop 60%

Overall (All Time): #3,967,848 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4641484	Hay bale wrapping machine	—	1987-02-10