ER

Ernest D. Ruby

📍 Chicago, IL: #69 of 289 inventorsTop 25%
🗺 Illinois: #566 of 2,749 inventorsTop 25%
Overall (1982): #66,441 of 81,411Top 85%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4355760 Control unit for a multi-unit building — 1982-10-26