DM

Donald C. McDonald

🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,132,855 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7503136 Tack map 2009-03-17
4370693 Demagnetizing apparatus for a workpiece holding electromagnet Roger B. Ela, Dominic F. Pignataro 1983-01-25