LH

Lawrence N. Harkness

📍 Villa Park, IL: #142 of 246 inventorsTop 60%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #4,113,663 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4207466 Infrared proximity detecting apparatus David J. Drage 1980-06-10