EL

Ernest N. Litzenberger

BS Bally Engineered Structures: 3 patents #1 of 3Top 35%
📍 Boyertown, PA: #24 of 85 inventorsTop 30%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,669,153 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4976081 Sandwich panel assembly — 1990-12-11
4974383 Sandwich panel Dennis E. Derr 1990-12-04
4844975 Reinforced composite sandwich panel assembly — 1989-07-04