RJ

R. A. Ekstrom, Jr.

📍 Markham, IL: #8 of 15 inventorsTop 55%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #4,018,342 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4529869 Instrument for inducing heat into an elongated object whose temperature is to be measured 1985-07-16