GS

Graham G. Spavin

📍 Scarborough, CA: #313 of 629 inventorsTop 50%
Overall (All Time): #3,951,574 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4743139 Expansion joint 1988-05-10