JD

James A. DerKacy

AA Aluminum Company Of America: 2 patents #290 of 1,017Top 30%
📍 Pittsburgh, PA: #3,179 of 7,570 inventorsTop 45%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,261,994 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5775403 Incorporating partially sintered preforms in metal matrix composites M. K. Premkumar, Ralph R. Sawtell, Frankie E. Phelps, David I. Yun 1998-07-07
5032550 High impact resistant ceramic composite 1991-07-16