JC

John Campbell

📍 Ledbury, CA: #1 of 1 inventorsTop 100%
Overall (1997): #130,252 of 185,788Top 75%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5690160 Sealing device for an-inlet of a sand mold Thomas Leonard Sutton, Michael J. Flynn, Gary McBain 1997-11-25