DD

Douglas A. Drake

CR Corhart Refractories: 3 patents #3 of 8Top 40%
📍 Louisville, KY: #926 of 3,201 inventorsTop 30%
🗺 Kentucky: #3,369 of 11,577 inventorsTop 30%
Overall (All Time): #1,661,094 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5124287 Zircon refractories with improved thermal shock resistance Thomas M. Wehrenberg, Charles N. McGarry, Sylvie Mahe 1992-06-23
5106795 Chromic oxide refractories with improved thermal shock resistance Charles N. McGarry, Thomas M. Wehrenberg 1992-04-21
4992396 Fused AZS refractory composition Charles N. McGarry, Thomas M. Wehrenberg, Gary L. Lawson 1991-02-12