DH

Donald J. Harvan

📍 Durham, NC: #2,508 of 4,103 inventorsTop 65%
🗺 North Carolina: #26,533 of 45,564 inventorsTop 60%
Overall (All Time): #3,671,924 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6004572 Time release delivery system Frederic K. Pfaender 1999-12-21