AC

Alfred B. Castle

📍 Bethesda, MD: #720 of 2,269 inventorsTop 35%
🗺 Maryland: #10,129 of 35,612 inventorsTop 30%
Overall (All Time): #1,682,529 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4490088 Lifting tool — 1984-12-25
4321003 Lifting tool — 1982-03-23
4227731 Tool for lifting and maneuvering utility access covers — 1980-10-14