RG

Richard A. Gregory

IA Inventio Ag: 1 patents #8 of 42Top 20%
📍 Chicago, IL: #103 of 426 inventorsTop 25%
🗺 Illinois: #1,118 of 4,656 inventorsTop 25%
Overall (1997): #89,004 of 185,788Top 50%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5627439 Light barrier for reopening elevator doors Nicholas Kassetas 1997-05-06