FD

Frederic G Dewalt

📍 Landenberg, PA: #9 of 27 inventorsTop 35%
🗺 Pennsylvania: #2,361 of 7,706 inventorsTop 35%
Overall (2022): #455,149 of 548,613Top 85%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11442049 Method for producing a purple complex for the presence of lead using sodium rhodizonate without use of strong acid David Cox 2022-09-13