DW

Donn Wittenberg

📍 Knoxville, TN: #1,155 of 2,927 inventorsTop 40%
🗺 Tennessee: #7,532 of 20,272 inventorsTop 40%
Overall (All Time): #2,186,406 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6679654 Flood control system Charles T. Shankles, Bruce A. Knobloch 2004-01-20
6334736 Flood barrier Harold W. Johnson, Charles T. Shankles 2002-01-01