John A. Ziebell

📍 Hubbard, IA: #1 of 4 inventorsTop 25%

🗺 Iowa: #6,094 of 15,303 inventorsTop 40%

Overall (All Time): #1,897,787 of 4,157,543Top 50%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
10549966	Adjustable roller system for rope rescues and rope climbing	—	2020-02-04
9139372	Rescue auger	—	2015-09-22