DM

David F. McCready

📍 Altoona, PA: #1 of 13 inventorsTop 8%
🗺 Pennsylvania: #146 of 3,759 inventorsTop 4%
Overall (1989): #11,250 of 140,708Top 8%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4888122 Engine oil additive dry lubricant powder — 1989-12-19
4855027 Carbosil anodes — 1989-08-08
4828665 Cathodic protection system using carbosil anodes — 1989-05-09