John A. Dreibelbis

MA Mallinckrodt: 3 patents #116 of 489Top 25%

📍 Wattsburg, PA: #6 of 19 inventorsTop 35%

🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%

Overall (All Time): #1,668,203 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4937394	Silica catalyst supports for hydration of ethylene to ethanol	—	1990-06-26
4783435	Silica catalyst supports	—	1988-11-08
4617060	Silica catalyst supports	—	1986-10-14