BL

Bernard W. Lifka

AA Aluminum Company Of America: 3 patents #202 of 1,017Top 20%
📍 New Kensington, PA: #90 of 233 inventorsTop 40%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,675,531 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4711762 Aluminum base alloys of the A1-Cu-Mg-Zn type William D. Vernam 1987-12-08
4659396 Metal working method John Liu, Roger D. Doherty 1987-04-21
4629517 High strength and corrosion resistant aluminum article and method William G. Truckner, Ralph W. Rogers, Jr. 1986-12-16