DL

Douglas Ladd

📍 Pampa, TX: #21 of 69 inventorsTop 35%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,267,383 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5595366 Seismic foundation pier Matt Cusimano 1997-01-21
5484024 Oilwell spill containment John K. Quirk 1996-01-16