FC

Fredric H. Crowther

📍 Chadds Ford, PA: #155 of 258 inventorsTop 65%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,851,357 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5116728 Reagents for CO.sub.2 detection Wai Tak Law 1992-05-26