HG

Henry E. Grattan

📍 Port Jefferson, NY: #2 of 9 inventorsTop 25%
🗺 New York: #804 of 3,580 inventorsTop 25%
Overall (1982): #59,962 of 81,411Top 75%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4308990 Flue gas heat recovery system Anton Borovina, Mark Borovina 1982-01-05