John T. Zell

UN Unknown: 2 patents #12,644 of 83,584Top 20%

📍 Boyne City, MI: #7 of 27 inventorsTop 30%

🗺 Michigan: #49,615 of 86,293 inventorsTop 60%

Overall (All Time): #3,992,488 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4577612	Arrow holder	—	1986-03-25