AJ

Alvin L. Jefferson

DI Ductmate Industries: 2 patents #7 of 19Top 40%
📍 Pittsburgh, PA: #3,179 of 7,570 inventorsTop 45%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #1,901,870 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10591179 Flexible register boot for heated and cooled air Branden Butella, David Agee 2020-03-17
10436369 High efficiency take-off fitting David E. Overdorff, II, Duane Fetko, Branden Butella, David Agee 2019-10-08