DL

David L. Langmead

📍 Baltimore, MD: #2,529 of 4,923 inventorsTop 55%
🗺 Maryland: #19,431 of 35,612 inventorsTop 55%
Overall (All Time): #4,027,375 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4423899 System for extending the capacity of a pick-up truck and the like 1984-01-03