GH

Grant E. Hagan

SC Sankyo Manufacturing Co.: 1 patents #4 of 13Top 35%
📍 Surrey, CA: #241 of 718 inventorsTop 35%
Overall (All Time): #2,325,881 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4953535 Flue control device 1990-09-04
4850336 Flue control device 1989-07-25