John A. Koestner

📍 Webster City, IA: #31 of 55 inventorsTop 60%

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

Overall (All Time): #3,945,201 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4719717	Trailer hook fishing apparatus	—	1988-01-19