JD

James D. Douglass

MC Mcgraw-Edison: 1 patents #75 of 210Top 40%
📍 Pittsburgh, PA: #4,559 of 7,570 inventorsTop 65%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #4,126,383 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4241324 Magnetic core for electrical transformers Albert T. Chase 1980-12-23