FS

Franklin P. Ryan, Sr.

📍 Philadelphia, PA: #2,553 of 4,834 inventorsTop 55%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #4,086,373 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4258313 Socket test device for testing three way lamp sockets Welford T. Cheatham, Jr. 1981-03-24