RJ

Robert L. Sproston, Jr.

ZE Zenith Electronics: 1 patents #208 of 411Top 55%
📍 Rantoul, IL: #192 of 340 inventorsTop 60%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #4,026,087 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4558360 Decoder lockout defeat circuit Melvin C. Hendrickson 1985-12-10