HG

Henry E. Grattan

📍 Port Jefferson, NY: #122 of 198 inventorsTop 65%
🗺 New York: #67,335 of 115,490 inventorsTop 60%
Overall (All Time): #4,063,198 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

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