FL

Freddie J. Langdon

AS Aqua-Aerobic Systems: 1 patents #19 of 30Top 65%
📍 Rockford, IL: #782 of 1,291 inventorsTop 65%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #4,062,860 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4422771 Downflow mixer Jack R. Earhart, John K. Johnson 1983-12-27