FD

Frank L. Duffy

📍 Downingtown, PA: #38 of 78 inventorsTop 50%
🗺 Pennsylvania: #2,519 of 7,891 inventorsTop 35%
Overall (2019): #467,973 of 560,194Top 85%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

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