FD

Frank L. Duffy

📍 Downingtown, PA: #308 of 472 inventorsTop 70%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #2,841,034 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10196812 Weep screed Ronald L. Christopher, Jr. 2019-02-05