DD

Danny O. Derrick

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Columbia, SC: #387 of 1,151 inventorsTop 35%
🗺 South Carolina: #5,775 of 15,501 inventorsTop 40%
Overall (All Time): #2,257,721 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5720177 Multichambered pump for a vapor compression refrigeration system James R. Kirby 1998-02-24
4231141 Attachment device for flexible films and fabrics Donald F. Looney 1980-11-04