CJ

Cass R. Johnson

📍 Collinsville, IL: #52 of 115 inventorsTop 50%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,214,459 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8218807 Portable microphone extender and associated method — 2012-07-10