JE

Jack R. Earhart

AS Aqua-Aerobic Systems: 2 patents #12 of 30Top 40%
📍 Rockton, IL: #45 of 107 inventorsTop 45%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,354,780 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4540487 Filter apparatus John K. Johnson, Gordon L. Astrom, Mark A. Herbig 1985-09-10
4422771 Downflow mixer Freddie J. Langdon, John K. Johnson 1983-12-27