DA

David W. Allred

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Huntersville, NC: #289 of 456 inventorsTop 65%
🗺 North Carolina: #26,533 of 45,564 inventorsTop 60%
Overall (All Time): #4,102,680 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4306869 Educational aid for classroom use Ruth R. Oettinger 1981-12-22