FP

Francis J. Perhats

📍 Barrington, IL: #12 of 42 inventorsTop 30%
🗺 Illinois: #566 of 2,749 inventorsTop 25%
Overall (1982): #64,976 of 81,411Top 80%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4308994 Energy saving circulating system for vehicle heaters — 1982-01-05