DC

Dennie L. Coffin

📍 Gaithersburg, MD: #1,048 of 1,746 inventorsTop 65%
🗺 Maryland: #19,431 of 35,612 inventorsTop 55%
Overall (All Time): #4,092,910 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D259803 Water ski-float 1981-07-07