JH

John A. Hendershot

📍 Shawnee, OK: #15 of 64 inventorsTop 25%
🗺 Oklahoma: #3,359 of 12,736 inventorsTop 30%
Overall (All Time): #1,661,509 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5117677 Two-stage vacuum monitoring and leak detection system for liquid product containment facilities Randall S. Click 1992-06-02
5072623 Double bladder fluid containment system 1991-12-17
4796676 Fluid storage tank system Leale E. Streebin 1989-01-10