DH

Donald Hurkot

📍 Medicine Hat, CA: #28 of 122 inventorsTop 25%
Overall (All Time): #2,264,773 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5817287 Carbon black refractory system — 1998-10-06
5499477 Carbon black refractory system — 1996-03-19