EH

Ernest W. Hughes

WC W.R. Grace & Co.-Conn.: 2 patents #348 of 1,045Top 35%
EN Engelhard: 1 patents #271 of 518Top 55%
📍 Erie, PA: #317 of 1,097 inventorsTop 30%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,636,282 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5985220 Metal foil having reduced permanent thermal expansion for use in a catalyst assembly, and a method of making the same 1999-11-16
5604174 Metal foil catalyst members by aqueous electrophoretic deposition Semyon D. Friedman, Awdhoot Vasant Kerkar, Rasto Brezny, John W. Lau, Jacob Block 1997-02-18
5591691 Metal foil catalyst members by aqueous electrophoretic deposition Semyon D. Friedman, Awdhoot Vasant Kerkar, Rasto Brezny, John W. Lau, Jacob Block 1997-01-07