AJ

Alvin L. Jefferson

DI Ductmate Industries: 1 patents #1 of 7Top 15%
📍 Pittsburgh, PA: #300 of 942 inventorsTop 35%
🗺 Pennsylvania: #2,519 of 7,891 inventorsTop 35%
Overall (2019): #550,777 of 560,194Top 100%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10436369 High efficiency take-off fitting David E. Overdorff, II, Duane Fetko, Branden Butella, David Agee 2019-10-08