DH

Donald R. Halliday

📍 Powell, OH: #7 of 39 inventorsTop 20%
🗺 Ohio: #1,176 of 4,724 inventorsTop 25%
Overall (2005): #210,338 of 245,428Top 90%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6840098 Roadway friction tester and method — 2005-01-11