DR

David B. Rowland

UN Unknown: 1 patents #145 of 1,640Top 9%
📍 Raleigh, NC: #28 of 158 inventorsTop 20%
🗺 North Carolina: #217 of 1,241 inventorsTop 20%
Overall (1989): #121,863 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4813025 Safety alert and locating system William Smith 1989-03-14