John Hansen

AM Amoco: 1 patents #610 of 1,251Top 50%

📍 League City, TX: #309 of 561 inventorsTop 60%

🗺 Texas: #73,555 of 125,132 inventorsTop 60%

Overall (All Time): #3,873,390 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5004860	Filter system	William A. Waranius	1991-04-02