DD

David D. Double

📍 Annapolis, MD: #174 of 661 inventorsTop 30%
🗺 Maryland: #10,129 of 35,612 inventorsTop 30%
Overall (All Time): #1,674,235 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4792361 Cementitious composite friction compositions Randall P. Bright, Sean Wise 1988-12-20
4780141 Cementitious composite material containing metal fiber Sean Wise 1988-10-25
4666520 Cementitious composite material with silicon carbide aggregate Randall P. Bright, Sean Wise 1987-05-19